Citation
If you use FreeFEM, please cite the following reference in your work:
BibTeX
 1@article{MR3043640,
 2  AUTHOR = {Hecht, F.},
 3  TITLE = {New development in FreeFem++},
 4  JOURNAL = {J. Numer. Math.},
 5  FJOURNAL = {Journal of Numerical Mathematics},
 6  VOLUME = {20}, YEAR = {2012},
 7  NUMBER = {3-4}, PAGES = {251--265},
 8  ISSN = {1570-2820},
 9  MRCLASS = {65Y15},
10  MRNUMBER = {3043640},
11  URL = {https://freefem.org/}
12}
APA
1Hecht, F. (2012). New development in FreeFem++. Journal of numerical mathematics, 20(3-4), 251-266.
ISO690
1HECHT, Frédéric. New development in FreeFem++. Journal of numerical mathematics, 2012, vol. 20, no 3-4, p. 251-266.
MLA
1Hecht, Frédéric. "New development in FreeFem++." Journal of numerical mathematics 20.3-4 (2012): 251-266.