COLLEGE POLITICAL SCIENCE • RESEARCH METHODS

Citations & Academic Integrity — Cite sources and avoid plagiarism; use citation styles appropriately

Mastering citation practices safeguards scholarly credibility and anchors your research in a verifiable chain of evidence.

Historical Context & Motivation

The practice of citing sources is not merely a modern classroom rule—it is deeply embedded in the history of scholarly communication. Since the emergence of the modern university in medieval Europe, scholars have recognized that knowledge builds upon prior knowledge, and that attributing ideas to their originators serves both an ethical and an epistemological function. In the social sciences, where theories about governance, power, and human behavior rest on empirical claims and interpretive arguments, the ability to trace an idea back to its source is what distinguishes rigorous scholarship from mere opinion. Academic integrity—the commitment to honesty, trust, fairness, respect, responsibility, and courage in scholarly work—provides the normative foundation upon which citation practices rest.

The development of standardized citation systems accelerated in the twentieth century as academic publishing expanded and disciplinary conventions solidified. Political scientists, sociologists, and historians each developed preferred formats that reflect the kinds of evidence their disciplines value most. Understanding this history helps illuminate why citation is not an arbitrary exercise but a structured system of accountability that enables peer review, replication, and the cumulative growth of knowledge.

1906
The Chicago Manual of Style
The University of Chicago Press published its first style manual, establishing notes-bibliography citation conventions that became foundational for history, political theory, and the humanities-adjacent social sciences.
1929
APA Style Emerges
A group of psychologists and anthropologists introduced the author-date citation system in Psychological Bulletin, which would evolve into the APA Publication Manual—now widely used across the behavioral and social sciences.
1951
APSA Formalizes Norms
The American Political Science Association adopted formal style guidelines for its flagship journals, reinforcing the expectation that political science research follow consistent citation standards.
1998
Digital Plagiarism Detection
The launch of Turnitin and similar digital tools transformed plagiarism detection, making it far easier for institutions to identify unattributed borrowing and raising the stakes for proper citation.
2019
APSA Style Manual Update
The APSA released updated style guidelines reflecting the digital age—covering DOIs, online databases, and multimedia sources—affirming that citation norms must evolve alongside information technology.

The central question that citation practices address is deceptively simple: How can a scholarly community verify, evaluate, and build upon each other's claims? Without a transparent system for attributing ideas, data, and arguments to their sources, the entire enterprise of peer-reviewed research collapses. For political scientists in particular—who often make claims with direct policy implications—the stakes of getting attribution right are exceptionally high.

Core Principles & Definitions

Before examining specific citation formats, it is essential to understand the foundational principles that animate the practice of citation and the broader concept of academic integrity. These principles are not mere formalities; they represent the ethical infrastructure of the research enterprise. In political science, where scholars engage with contested concepts like democracy, power, and justice, properly attributing ideas to their originators is an act of intellectual honesty that enables productive debate and the refinement of theoretical frameworks.

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Attribution

Every idea, argument, finding, or interpretation that originates from another scholar must be credited to that source. Attribution applies to direct quotations, paraphrased arguments, data sets, and even methodological approaches borrowed from prior work.
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Transparency

Citations create a transparent trail that allows readers to verify claims, assess the quality of evidence, and follow the lineage of ideas. This is especially critical in political science, where empirical findings may inform policy decisions.
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Intellectual Property

Scholarly work is the intellectual property of its creator. Failing to cite a source constitutes a form of theft—appropriating another person's labor without acknowledgment. Academic institutions treat plagiarism as a serious violation of this principle.
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Reproducibility & Falsifiability

In empirical political science, citations to data sources, statistical methods, and prior findings allow other researchers to replicate studies and test claims. Without proper citation, findings cannot be subjected to the scrutiny that scientific inquiry demands.
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Disciplinary Conversation

Citations position your work within a scholarly conversation. By citing relevant literature, you demonstrate awareness of existing debates, identify gaps your research fills, and signal your methodological and theoretical orientation to readers.

Defining Plagiarism

Plagiarism is the act of presenting someone else's words, ideas, data, or creative expression as one's own, whether intentionally or through negligence. It is important to recognize that plagiarism extends well beyond copying text verbatim. Paraphrasing without citation, mosaic plagiarism (stitching together phrases from multiple sources without attribution), and self-plagiarism (resubmitting your own previously submitted work without disclosure) all constitute violations of academic integrity. Even accidental plagiarism—resulting from poor note-taking or mismanagement of sources—carries consequences in most institutional contexts.

KEY TAKEAWAY
Think of citations as the footnotes in a legal brief. A lawyer who makes a claim in court must point to the statute, precedent, or evidence that supports it—otherwise the claim has no authority. In exactly the same way, a political scientist who argues that institutional design affects democratic stability must cite the empirical studies, theoretical frameworks, or data sets that ground that argument. Without citations, your claims are assertions; with them, they become contributions to a verifiable body of knowledge.

Visual Explanation — The Citation Ecosystem

Understanding how citations function within a research paper requires seeing the relationship between the different components of a citation system. The following diagram illustrates the flow from source material through your research process to the final formatted citation output in your paper. Notice how each component—the in-text citation, the reference list entry, and the source itself—connects to create a chain of verifiability.

Figure 1: The citation ecosystem shows how source material flows through your research process into your paper via in-text citations and reference list entries. When the verification chain is intact (green), readers can trace any claim back to its origin. When it is broken (red), the result is plagiarism.

As the diagram illustrates, the citation ecosystem consists of three interconnected components. Source material enters your research process, where you evaluate, synthesize, and integrate it into your argument. Your paper then presents two citation artifacts: the in-text citation (which flags the borrowed idea at the point of use) and the reference list entry (which provides the full bibliographic details a reader needs to locate the original source). Together these create the verification chain—the backbone of academic trust.

How Citation Styles Work — APSA, APA, and Chicago

Political science draws on multiple citation styles depending on the subfield, the journal, and the instructor's preference. The three most common systems you will encounter are APSA Style (the discipline's own format), APA Style (dominant across the social and behavioral sciences), and Chicago/Turabian Style (preferred in political theory, comparative politics, and historically oriented research). Each system specifies precise rules for formatting in-text citations, reference lists or bibliographies, and footnotes or endnotes. Understanding the logic behind these systems—rather than memorizing every detail—allows you to adapt efficiently to whatever style a course or journal requires.

Author-Date Systems (APSA & APA)

Both APSA and APA use an author-date parenthetical system for in-text citations. The reader encounters a parenthetical reference—such as (Lijphart 2012, 45)—within the body of the text, then turns to the reference list at the end of the paper for full bibliographic details. This system foregrounds who made the claim and when, which is especially useful in fields where the recency of evidence matters and where readers frequently recognize authors' names as shorthand for entire theoretical traditions. APSA and APA differ in small but significant formatting details: APSA uses a comma but no "p." before page numbers, while APA uses "p." or "pp." before page numbers and an ampersand (&) before the last author in multi-author works.

Notes-Bibliography System (Chicago/Turabian)

The notes-bibliography system uses numbered footnotes or endnotes to cite sources, paired with a comprehensive bibliography at the end of the paper. This system is favored in political theory, comparative historical analysis, and qualitative research because it allows scholars to include substantive commentary alongside citations—a footnote might not only cite a source but also qualify the argument, note competing interpretations, or direct the reader to additional literature. The first citation of a source appears in full form in the footnote; subsequent citations use a shortened form (author's last name, abbreviated title, and page number).

Comparison of the three major citation styles used in political science.
FeatureAPSA StyleAPA Style (7th ed.)Chicago Notes-Bib.
In-text format(Author Year, Page)(Author, Year, p. Page)Superscript footnote number
End-of-paper listReferencesReferencesBibliography
Author name order (ref. list)Last, First.Last, F. M.Last, First.
Title capitalizationTitle case for titlesSentence case for articles; title case for journalsTitle case (headline style)
Year placement (ref. list)After author name, periodIn parentheses after authorNear end of entry (varies)
Common in poli sci?APSR, AJPS, JOPBehavioral / quantitative workTheory, comparative, history
📌 When to Use Which Style
Always follow the style specified by your instructor or target journal. When no style is specified, APSA style is the safest default for political science coursework. If your research is heavily quantitative or engages with psychology or sociology, APA may be more appropriate. If you are writing political theory or comparative historical analysis, Chicago notes-bibliography is often expected.

Types of Plagiarism & How to Avoid Them

Plagiarism is not a monolithic offense—it takes several distinct forms, some more easily recognized than others. Understanding the full spectrum of plagiarism is essential because many students who commit academic integrity violations do so not out of deliberate dishonesty but out of ignorance about what constitutes improper use of sources. The diagram below classifies the major types of plagiarism along a spectrum from most blatant to most subtle, and the subsequent discussion provides strategies for avoiding each type.

Figure 2: The spectrum of plagiarism ranges from blatant clone plagiarism (submitting another's entire work) to subtle inadequate paraphrasing. Even the most subtle forms are violations of academic integrity. The lower portion of the diagram identifies key avoidance strategies and the common knowledge exception.

The most common form of plagiarism among college students is not the blatant "clone" variety but rather mosaic plagiarism and inadequate paraphrasing. Mosaic plagiarism occurs when a student borrows distinctive phrases or sentence structures from a source and weaves them into their own text without quotation marks or attribution. Inadequate paraphrasing involves restating a source's ideas in slightly different words while preserving the original sentence structure and logic—a practice that, even when accompanied by a citation, may still constitute plagiarism if the language is too close to the original. The remedy for both is to develop the habit of reading, closing the source, writing in your own words, and then checking—a technique sometimes called the "close-the-book" method.

⚠️ Self-Plagiarism in Political Science
Resubmitting a paper you wrote for one course to satisfy the requirements of another course—without the explicit permission of both instructors—constitutes self-plagiarism. Even recycling substantial sections of your own prior work into a new paper without disclosure violates most university honor codes. The expectation in academic work is that each submission represents original effort produced for that specific assignment or venue.

Worked Example — Citing a Source in Three Styles

To illustrate how the same source is cited differently across the three major styles used in political science, we will walk through the process of citing the following hypothetical source: a journal article by Arend Lijphart titled "Patterns of Democracy: Government Forms and Performance in Thirty-Six Countries," published in the American Political Science Review, volume 93, issue 2, pages 225–240, in 1999. Suppose you want to cite a claim from page 231 about the relationship between proportional representation and voter turnout.

Citing a Journal Article in APSA, APA, and Chicago Styles
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Step 1 — Identify the Bibliographic ElementsBefore formatting a citation in any style, extract the essential elements from the source: Author (Arend Lijphart), Year (1999), Title ("Patterns of Democracy..."), Journal (American Political Science Review), Volume/Issue (93(2)), Pages (225–240), and the specific Page cited (231). These elements are the raw materials for any citation style.
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Step 2 — Format the APSA In-Text Citation and Reference EntryAPSA uses the author-date format with no "p." before the page number. In-text: "Proportional representation systems are associated with higher voter turnout (Lijphart 1999, 231)." Reference entry: Lijphart, Arend. 1999. "Patterns of Democracy: Government Forms and Performance in Thirty-Six Countries." American Political Science Review 93(2): 225–240.
APSA: (Lijphart 1999, 231)
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Step 3 — Format the APA In-Text Citation and Reference EntryAPA 7th edition uses an ampersand for multi-author works and includes "p." before page numbers. In-text: "Proportional representation systems are associated with higher voter turnout (Lijphart, 1999, p. 231)." Reference entry: Lijphart, A. (1999). Patterns of democracy: Government forms and performance in thirty-six countries. American Political Science Review, 93(2), 225–240. Note that APA uses sentence case for article titles and italicizes the volume number.
APA: (Lijphart, 1999, p. 231)
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Step 4 — Format the Chicago Notes-Bibliography CitationChicago uses a superscript footnote number in the text. In-text: "Proportional representation systems are associated with higher voter turnout.¹" Footnote (first citation): 1. Arend Lijphart, "Patterns of Democracy: Government Forms and Performance in Thirty-Six Countries," American Political Science Review 93, no. 2 (1999): 231. Shortened subsequent note: 2. Lijphart, "Patterns of Democracy," 231. Bibliography entry: Lijphart, Arend. "Patterns of Democracy: Government Forms and Performance in Thirty-Six Countries." American Political Science Review 93, no. 2 (1999): 225–240.
Chicago: Superscript ¹ → footnote with full details
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Step 5 — Verify Consistency and CompletenessAfter formatting, check three things. First, does every in-text citation have a corresponding reference list or bibliography entry? Second, is the formatting consistent throughout the paper (same punctuation, capitalization, and ordering)? Third, have you included page numbers for all direct quotations and specific claims? Using a reference manager like Zotero can automate much of this, but always conduct a final manual review because automated tools sometimes introduce formatting errors.
Cross-check: Every in-text cite ↔ reference entry, consistent formatting, page numbers for specific claims.

Strengths & Limitations of Each Citation Style

No single citation style is inherently superior to the others; each reflects the priorities and reading conventions of different scholarly communities within political science. The choice of style is not arbitrary—it encodes disciplinary assumptions about what information matters most to readers. Understanding the trade-offs helps you appreciate why different subfields have developed distinct practices and equips you to adapt when moving between contexts.

Strengths and limitations of the three major citation styles in political science.
StyleStrengthsLimitations
APSADesigned specifically for political science; author-date format quickly conveys who made a claim and when; compact in-text references minimize interruption to reading flow.Less widely known outside political science; fewer automated templates in reference managers; limited space for substantive commentary within citations.
APA (7th ed.)Extremely widely used across social sciences; excellent automated support in Zotero, Mendeley, and Word; clear rules for digital sources, DOIs, and datasets.Sentence case for titles can obscure proper nouns; does not accommodate substantive footnotes as well as Chicago; some political science journals explicitly reject APA.
Chicago Notes-Bib.Allows substantive footnotes that enrich the argument; well-suited for archival, historical, and theoretical work; widely respected in humanities and adjacent fields.Footnotes can clutter the page and slow reading; more labor-intensive to format; requires managing both notes and bibliography, increasing error risk.
KEY TAKEAWAY
Choosing a citation style is like choosing a research methodology: there is no universally "best" option, only the most appropriate one for your context. Just as a researcher selects qualitative methods for interpretive questions and quantitative methods for causal inference, a writer selects Chicago for theory-rich work with extensive commentary and APSA or APA for empirical work where the focus should remain on the data and findings. The key skill is not memorizing every rule but understanding the logic of each system so you can apply it correctly and switch between them when required.

Advanced Considerations — Digital Sources, AI, and Evolving Norms

Citation norms are not static—they evolve as new types of sources emerge and as the research landscape changes. Two developments in particular are reshaping citation practices in political science: the proliferation of digital and non-traditional sources (social media posts, datasets, government websites, podcasts) and the growing use of AI-generated text in academic work. Both require scholars to think critically about what constitutes a citable source and how to attribute non-traditional forms of intellectual labor.

Evolving citation challenges and how current and emerging norms address them.
ChallengeCurrent NormEmerging Practice
Citing datasetsCite as you would a report or website, including creator, title, year, and URL or DOI.APSA and APA now recommend persistent identifiers (DOIs) for datasets. Data citation is increasingly treated as equivalent to article citation.
Social mediaInclude author/handle, date, platform, full text of post (if brief), and URL.APA 7th edition has explicit templates for tweets, Instagram posts, and other social media. APSA follows similar logic but with less codification.
AI-generated textMost institutions require disclosure of AI use; some prohibit it entirely. AI output cannot be cited as a traditional source because it is not retrievable or peer-reviewed.APA recommends treating AI-generated text as a personal communication or citing the AI tool as software. The APSA has issued guidance requiring transparent disclosure of AI assistance.
Preprints & working papersCite with a note indicating the work is unpublished or a preprint, including the repository name and DOI.Preprint servers (SSRN, OSF) are increasingly accepted as citable venues, though peer-reviewed publications remain the gold standard.

As you advance in your political science studies, you will increasingly encounter situations that no style manual fully covers. In these cases, the guiding principle remains the same: provide enough information for a reader to locate and evaluate the source. When dealing with novel source types, err on the side of providing more information rather than less, and always consult the most recent edition of your target style manual, as these guidelines are updated regularly to address new challenges.

🔧 Reference Management Tools
Tools like Zotero (free and open-source), Mendeley, and EndNote can automatically format citations in APSA, APA, or Chicago style. They also store PDFs, generate bibliographies, and integrate with word processors. Investing time in learning a reference manager early in your academic career will save hundreds of hours over the course of your studies and dramatically reduce the risk of citation errors.

Practice Problems

PROBLEM 1CONCEPTUAL
A student writes the following sentence in a political science essay: "Democracies with proportional representation systems tend to have higher voter turnout than those with majoritarian systems." The student read this claim in Lijphart (1999) but does not include a citation because they believe it is "common knowledge" in political science. Has the student committed plagiarism? Why or why not?
PROBLEM 2BASIC APPLICATION
Convert the following source information into a properly formatted APSA reference list entry: Author: Robert D. Putnam; Year: 2000; Title: Bowling Alone: The Collapse and Revival of American Community; Publisher: Simon & Schuster; City: New York.
PROBLEM 3INTERMEDIATE
A student's paper contains the following passage: "Putnam argues that declining social capital in the United States is linked to reduced civic participation, including lower voter turnout, fewer community meetings, and less trust in government." The student includes the citation (Putnam, 2000, p. 47) at the end. However, comparison with the original source reveals that Putnam's exact words were: "The decline of social capital is closely linked to reduced civic participation, including lower voter turnout, fewer community meetings, and diminished trust in government institutions." Identify the specific type of plagiarism at work and explain how the student should have handled this passage.
PROBLEM 4APPLIED
You are writing a research paper on democratic backsliding for a course that requires Chicago notes-bibliography style. You need to cite the following three sources in a single paragraph arguing that institutional erosion precedes democratic collapse: (1) Steven Levitsky and Daniel Ziblatt, How Democracies Die, Crown Publishing, 2018, claim from page 8; (2) Anna Grzymala-Busse, "The Erosion of Institutional Oversight," Journal of Democracy 30, no. 4 (2019): 105–120, claim from page 112; (3) A tweet by @FreedomHouse posted on March 15, 2023, stating "Global freedom declined for the 17th consecutive year." Write the paragraph with properly formatted footnotes and construct the bibliography entries for all three sources.
PROBLEM 5CRITICAL THINKING
Consider the following scenario: A political science graduate student uses a large language model (AI chatbot) to generate a draft literature review for a seminar paper. The AI produces several paragraphs summarizing and synthesizing arguments from Dahl, Schumpeter, and Huntington—but without citations. The student then adds citations to the real works of these scholars and submits the paper. The student argues that this is not plagiarism because (a) all the ideas are properly attributed to their original authors and (b) the AI did not create any original ideas. Evaluate the student's argument. Is this a violation of academic integrity? What principles are at stake, and how should this situation be handled under current evolving norms?

Summary — Citations & Academic Integrity

Citations are the connective tissue of scholarly research, creating a verification chain that allows readers to trace any claim back to its evidentiary source. In political science, three major citation styles dominate: APSA style (the discipline's own author-date format), APA style (widely used across the social sciences), and Chicago notes-bibliography (preferred for theory and historical analysis). Each system requires an in-text citation paired with a full reference list or bibliography entry, ensuring that every borrowed idea is traceable.

Plagiarism takes multiple forms—from blatant cloning to subtle mosaic plagiarism and inadequate paraphrasing—and avoiding it requires both rigorous citation habits and genuine intellectual engagement with sources. As the research landscape evolves to include digital sources, datasets, and AI-generated text, the core principle remains constant: provide enough information for a reader to locate, evaluate, and verify every claim you make. Mastering these practices is not merely an academic requirement—it is the foundation of your credibility as a scholar and a responsible participant in the production of knowledge about politics and governance.

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