APA (7th ed.) Citation
Lecarme, O., & Delvare, K. (2013). The book of GIMP: A complete guide to nearly everything. No Starch Press, Inc..
Chicago Style (17th ed.) Citation
Lecarme, Olivier, and Karine Delvare. The Book of GIMP: A Complete Guide to Nearly Everything. San Francisco, Calif.: No Starch Press, Inc., 2013.
MLA (9th ed.) Citation
Lecarme, Olivier, and Karine Delvare. The Book of GIMP: A Complete Guide to Nearly Everything. No Starch Press, Inc., 2013.
Warning: These citations may not always be 100% accurate.