How to Cite Software in Chicago
Cite software and apps when you name a specific program your work depends on; common tools such as Word need no citation. This page follows Chicago 18th edition (notes and bibliography), 18th edition (2024).
Chicago format for software
Bibliography entry
R Core Team. R: A Language and Environment for Statistical Computing. Version 4.3.1. R Foundation for Statistical Computing, 2023. https://www.R-project.org/.
Footnote
R Core Team, R: A Language and Environment for Statistical Computing, Version 4.3.1 (R Foundation for Statistical Computing, 2023), https://www.R-project.org/.
Later footnotes
R Core Team, R: A Language and Environment for Statistical Computing.
Style: Chicago 18th edition (notes and bibliography)
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Preview: Chicago 18th edition (notes and bibliography)
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Where to find the details
- The version is under About or Help; R, Python packages and Stata print their own suggested citation.
Required in most styles: author or organisation, date published, name.
Cite software in another style
Other sources
- How to cite a journal article in Chicago
- How to cite a book in Chicago
- How to cite a chapter in an edited book in Chicago
- How to cite a web page in Chicago
- How to cite a YouTube video in Chicago
- How to cite a podcast episode in Chicago
- How to cite a lecture or speech in Chicago
- How to cite a newspaper article in Chicago
- How to cite a magazine article in Chicago
- How to cite a report in Chicago
- How to cite a thesis or dissertation in Chicago
- How to cite a conference paper in Chicago
- How to cite a dataset in Chicago
- How to cite a film in Chicago
- How to cite ChatGPT or another AI tool in Chicago
- How to cite a dictionary or encyclopedia entry in Chicago
- How to cite a preprint in Chicago
- How to cite a blog post in Chicago
- How to cite a court case in Chicago
- How to cite legislation in Chicago
Questions
Citations are formatted by citeproc-js by Frank Bennett (CPAL-1.0, or AGPL-1.0), the engine behind Zotero and Mendeley, running the official Citation Style Language styles (10,863 styles, commit 2e93558) and locales (commit a89adec), used under CC BY-SA 3.0. AGLC4 citations use the LexIntellect AGLC4 engine, checked against the Guide's worked examples. Always check a citation against the manual or your institution's guide before you submit.
What do I need to cite software in Chicago?
At minimum: author or organisation, date published, name. The version is under About or Help; R, Python packages and Stata print their own suggested citation.
What does software look like in Chicago?
Bibliography entry: R Core Team. R: A Language and Environment for Statistical Computing. Version 4.3.1. R Foundation for Statistical Computing, 2023. https://www.R-project.org/. Footnote: R Core Team, R: A Language and Environment for Statistical Computing, Version 4.3.1 (R Foundation for Statistical Computing, 2023), https://www.R-project.org/.
Is this free?
Yes. No account and no limit. Your bibliography is saved in this browser only, and you can export it to Word, BibTeX, RIS or CSL-JSON.