If GalIMF contributes to a project that leads to a scientific publication, please acknowledge this fact by citing the project paper. You can use this BibTeX entry:
@ARTICLE{2017A&A...607A.126Y, author = {{Yan}, Z. and {Jerabkova}, T. and {Kroupa}, P.}, title = "{The optimally sampled galaxy-wide stellar initial mass function. Observational tests and the publicly available GalIMF code}", journal = {\aap},archivePrefix = "arXiv", eprint = {1707.04260}, keywords = {galaxies: stellar content, galaxies: luminosity function, mass function, galaxies: star formation, galaxies: formation, galaxies: star clusters: general, galaxies: evolution}, year = 2017, month = nov, volume = 607, eid = {A126}, pages = {A126}, doi = {10.1051/0004-6361/201730987}, adsurl = {http://adsabs.harvard.edu/abs/2017A%26A...607A.126Y}, adsnote = {Provided by the SAO/NASA Astrophysics Data System}}