To cite Nengo, please use:
Trevor Bekolay, James Bergstra, Eric Hunsberger, Travis DeWolf, Terrence C Stewart, Daniel Rasmussen, Xuan Choo, Aaron Russell Voelker, and Chris Eliasmith. Nengo: a Python tool for building large-scale functional brain models. Frontiers in Neuroinformatics, 2014.
A BibTeX entry for LaTeX users is
@article{bekolay2014,
author={Bekolay, Trevor and Bergstra, James and Hunsberger, Eric and DeWolf, Travis and Stewart, Terrence C and Rasmussen, Daniel and Choo, Xuan and Voelker, Aaron Russell and Eliasmith, Chris},
title={Nengo: A Python tool for building large-scale functional brain models},
journal={Frontiers in Neuroinformatics},
volume={7},
year={2014},
number={48},
doi={10.3389/fninf.2013.00048},
issn={1662-5196},
url={http://www.frontiersin.org/neuroinformatics/10.3389/fninf.2013.00048/abstract}
}