Mastering the art of academic citation is a fundamental skill for any researcher, student, or professional writer. When working within the humanities, history, or social sciences, the Chicago Manual of Style (CMOS) stands as the gold standard for documentation. Understanding how to cite journal articles Chicago style requires navigating two distinct systems: the Notes and Bibliography system and the Author-Date system. Choosing the correct system and applying its rules with precision ensures your work maintains credibility, avoids plagiarism, and allows readers to verify your sources effortlessly.
Understanding the Two Chicago Systems
Before diving into the specific formatting rules, you must identify which Chicago system your discipline or publisher requires. The choice fundamentally changes where the citation appears and how it looks.
Notes and Bibliography System
Preferred in literature, history, and the arts, this system uses footnotes or endnotes for in-text citations, accompanied by a bibliography at the end of the paper. It allows for discursive notes—comments or additional context—alongside the citation data. The first time a source is cited, a full note is used; subsequent citations use a shortened note.
Author-Date System
Common in the sciences and social sciences, this system uses parenthetical in-text citations (Author Last Name, Year) and a reference list at the end. It emphasizes the currency of research. There are no footnotes for standard citations, making the text flow differently than the Notes and Bibliography style Most people skip this — try not to..
Citing Journal Articles: Notes and Bibliography Style
This is the most traditional Chicago format. It relies on superscript numbers in the text that correspond to notes at the bottom of the page (footnotes) or end of the chapter/book (endnotes) Most people skip this — try not to..
The Bibliography Entry
The bibliography provides a comprehensive, alphabetized list of all sources consulted. For a journal article, the structure prioritizes the author, article title, journal title, volume, issue, date, and page range No workaround needed..
Basic Format:
Last Name, First Name. "Title of Article: Subtitle if Any." Title of Journal Volume Number, Issue Number (Year): Page Range. DOI or URL (if accessed online).
Key Formatting Rules:
- Author Names: Invert the first author's name (Last, First). For two to ten authors, list all names in normal order (First Last) separated by commas, using "and" before the last name. For more than ten authors, list the first seven followed by et al.
- Titles: Article titles go in quotation marks (headline-style capitalization). Journal titles are italicized (headline-style capitalization). Omit initial articles (The, A, An) from journal titles.
- Volume/Issue: The volume number follows the journal title in plain text. The issue number follows in parentheses (or preceded by "no.") if the journal paginates each issue separately.
- DOI vs. URL: Always prefer the DOI (Digital Object Identifier). It is a permanent link. If no DOI exists, use a stable URL (permalink) or the database name (e.g., JSTOR, ProQuest). Do not use "Retrieved from" or access dates unless the source has no publication date.
Example (Print Journal):
Smith, John. "The Evolution of Urban Planning." Journal of Modern History 45, no. 2 (2020): 112–130.
Example (Online with DOI):
Garcia, Maria, and Robert Chen. "Climate Resilience in Coastal Cities." Environmental Research Letters 18, no. 4 (2023): 044012. https://doi.org/10.1088/1748-9326/acb123.
The Footnote/Endnote Entries
Notes use a different punctuation structure than the bibliography—commas instead of periods, and parentheses around publication details. Author names appear in normal order (First Last).
Full Note (First Citation):
- John Smith, "The Evolution of Urban Planning," Journal of Modern History 45, no. 2 (2020): 115.
Shortened Note (Subsequent Citations):
- Smith, "Evolution of Urban Planning," 118.
Note: If you cite the same source consecutively, you may use Ibid. (short for ibidem, "in the same place") followed by the page number if it differs. On the flip side, CMOS 17th edition discourages Ibid. in favor of shortened notes for clarity.
Citing Journal Articles: Author-Date Style
In this system, the citation lives inside the sentence. The reference list entry looks nearly identical to the bibliography entry, with one critical difference: the publication year moves immediately after the author's name.
The Reference List Entry
Basic Format:
Last Name, First Name. Year. "Title of Article: Subtitle if Any." Title of Journal Volume Number, Issue Number: Page Range. DOI or URL.
Example:
Smith, John. 2020. "The Evolution of Urban Planning." Journal of Modern History 45, no. 2: 112–130.
Garcia, Maria, and Robert Chen. Because of that, 2023. So "Climate Resilience in Coastal Cities. Plus, " Environmental Research Letters 18, no. 4: 044012. Because of that, https://doi. org/10.1088/1748-9326/acb123.
The In-Text Citation
Place the citation in parentheses at a natural pause in the sentence, usually at the end of the clause or sentence, before the period.
Basic Format: (Author Last Name Year, Page Number)
Examples:
- One Author: Recent studies indicate a shift in methodology (Smith 2020, 115).
- Two Authors: The data supports this hypothesis (Garcia and Chen 2023, 4).
- Three or More Authors: Use the first author's name followed by et al. (Smith et al. 2021, 50).
- Author Named in Signal Phrase: Smith (2020, 115) argues that...
- Multiple Sources: Separate with semicolons (Smith 2020; Garcia and Chen 2023).
Handling Complex Scenarios
Real-world research rarely fits perfectly into basic templates. Here is how to handle common complexities when you cite journal articles Chicago style.
Articles with No DOI or Stable URL
If you accessed the article via a commercial database (JSTOR, EBSCO, ProQuest) and no DOI exists, cite the database name in place of the URL.
Bibliography: Johnson, Lisa. "Medieval Trade Routes." Speculum 90, no. 1 (2015): 45–60. JSTOR. Reference List: Johnson, Lisa. 2015. "Medieval Trade Routes." Speculum 90, no. 1: 45–60. JSTOR.
Articles Published Online Before Print (Early View / Ahead of Print)
These articles have a DOI and year but lack volume, issue, and page numbers.
Notes/Biblio: Patel, Rahul. "Quantum Computing Advances." Nature Physics, Advance online publication, January 15, 2024. https://doi.org/10.1038/s41567-024-01900-x.
