A paper covering CoolProp has been published in the journal Industrial & Engineering Chemistry Research (link to paper).
As CoolProp is free to all users, we simply ask that if you use CoolProp in your academic work that you make a reference to CoolProp.
If you use CoolProp, please cite the article (open-access) cited below, and the domain www.coolprop.org
BibTeX citation:
@article{doi:10.1021/ie4033999,
author = {Bell, Ian H. and Wronski, Jorrit and Quoilin, Sylvain and Lemort, Vincent},
title = {Pure and Pseudo-pure Fluid Thermophysical Property Evaluation and the Open-Source Thermophysical Property Library CoolProp},
journal = {Industrial \& Engineering Chemistry Research},
volume = {53},
number = {6},
pages = {2498--2508},
year = {2014},
doi = {10.1021/ie4033999},
URL = {http://pubs.acs.org/doi/abs/10.1021/ie4033999},
eprint = {http://pubs.acs.org/doi/pdf/10.1021/ie4033999}
}