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I'm writing a scientific article and a dissertation in biology, for which I used Python for simulations. Some people in our department, especially the "non-computer-people", don't know what Python is, so I want to reference something helpful. Open-Source scientific tools such as CellProfiler usually tell you how to reference them, but Python doesn't.

How is the Python language properly referenced? Are there any articles in journals available I could link to?

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I understand your consternation. Thank you for moving this. FWIW - r has a package to generate citations for each package e.g. citation("rmetadata"). The same format could be used for Python packages. Van Rossum, G. (2007). Python programming language. In USENIX Annual Technical Conference. As per the APA - "Do not cite standard office software (e.g. Word, Excel) or programming languages. Provide references only for specialized software. Ludwig, T. (2002). PsychInquiry [computer software]. New York: Worth." owl.english.purdue.edu/owl/resource/560/10 – Donnied Feb 16 '14 at 20:22
up vote 46 down vote accepted

In order to cite a programming language, a possible way is to cite the reference manual, including the version of the language you use (your approach might no longer work with the version of Python available in 20 years ...).

For instance, you can have a citation like:

Python Software Foundation. Python Language Reference, version 2.7. Available at http://www.python.org

According to this thread, you can also cite the original CWI TR:

"G. van Rossum, Python tutorial, Technical Report CS-R9526, Centrum voor Wiskunde en Informatica (CWI), Amsterdam, May 1995."

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This is very helpful. Thank you! – Eekhoorn Nov 27 '12 at 10:32
7  
+1 although I usually cite software as … software. It’s a publication, after all. Many citation managers might not recognise this as a citation type but the reason for this is that they’re stuck in the previous millenium, nothing more. – Konrad Rudolph Nov 27 '12 at 16:51

A common choice I have seen is to cite the software by name and give a link to the website or name the company (for proprietary software) or both. For MATLAB, a mathematical programming language, I have often seen:

...for the simulations we used Matlab (The MathWorks, Inc., Natick, Massachusetts, United States)....

Likewise in citation lists and also in text, you often see something like:

MATLAB and Signal Processing Toolbox Release 2012b, The MathWorks, Inc., Natick, Massachusetts, United States. http://www.mathworks.com/

Note that it is often good to include libraries or toolboxes as well as the languages used. Most computer languages used in academic research are not used alone but depend heavily on add-on components. For these, there may be explicitly given papers to cite or the authors may provide preferred citation rules. The most important component of citing a software package is the website, especially if it is open-source, as that allows others to dig into the details of your work but actually using the same tools!

For open-source software like Python, you could name the organization or give the website:

...for the simulations we used the Python programming language (Python Software Foundation, https://www.python.org/).

Obviously, check your schools formatting demands for dissertations/theses, and note that most style guides have explicit rules for software, and those would apply to computer languages as well.

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