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How to Cite a Preprint in Chicago (17th edition)

Learn how to cite arXiv, bioRxiv, and other preprint server papers in Chicago format (17th edition). This guide includes the reference list format, in-text citation examples, and key formatting rules.

Chicago Bibliography Format

Here is the standard Chicago format for citing a preprint in your bibliography:

Author Last Name, First Name. "Title of Preprint." Repository Name. Preprint, submitted Month Day, Year. https://doi.org/xxxxx.

Chicago In-Text Citation

Use one of these formats when referencing this source within your paper:

Parenthetical

(Author 2024)

Narrative

Author (2024) argues in a preprint...

Key Chicago Formatting Rules

  • Put the preprint title in quotation marks.
  • Label the work as a preprint: Preprint, submitted Month Day, Year.
  • Name the repository and include the DOI or stable URL.
  • Do not format it like a published journal article (no volume/issue).
  • Notes-Bibliography: use a footnote; Author-Date: use a parenthetical.

Step-by-Step Guide

  1. Gather source information: Collect the author name, title, publication date, and URL or DOI for your preprint.
  2. Format the reference: Arrange the elements following the Chicago (17th edition) template shown above.
  3. Create the in-text citation: Add a parenthetical or narrative citation in your paper where you reference this source.
  4. Add to your bibliography: Include the full formatted citation at the end of your paper.
  5. Double-check formatting: Verify italics, punctuation, capitalization, and hanging indents match Chicago requirements.

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Cite a Preprint in Other Styles

Cite Other Sources in Chicago

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