APA (7th ed.) Citation

Van Gumster, J., & Shimonski, R. (2010). GIMP bible (1st edition.). Wiley.

Chicago Style (17th ed.) Citation

Van Gumster, Jason, and Robert Shimonski. GIMP Bible. 1st edition. Indianapolis, IN: Wiley, 2010.

MLA (9th ed.) Citation

Van Gumster, Jason, and Robert Shimonski. GIMP Bible. 1st edition. Wiley, 2010.