If you would like to cite the SciPy tools in a paper or presentation, the following is recommended:

 * Author: Eric Jones, Travis Oliphant, Pearu Peterson and others.
 * Title: SciPy: Open Source Scientific Tools for Python
 * Year: 2001 - 
 * URL: http://www.scipy.org

Here's an example of a BibTeX entry:

{{{
@Misc{,
  author =    {Eric Jones and Travis Oliphant and Pearu Peterson and others},
  title =     {{SciPy}: Open source scientific tools for {Python}},
  year =      {2001--},
  url = "http://www.scipy.org/"
}
}}}

To cite F2PY in a paper or presentation, use the following journal article:

 * Author: Pearu Peterson
 * Title: F2PY: a tool for connecting Fortran and Python programs
 * Journal: [http://www.inderscience.com/search/index.php?action=record&rec_id=29165 International Journal of Computational Science and Engineering 2009 - Vol. 4, No.4  pp. 296 - 305]
 * Softcopy: [http://cens.ioc.ee/~pearu/papers/IJCSE4.4_Paper_8.pdf Authors post-peer review, accepted paper submitted for final publication by Inderscience].