APA (7th ed.) Citation

Kylander, K., & Kylander, O. (1999). GIMP: The official handbook : the Gimp user's manual version 1.0.1. Coriolis Open Press.

Chicago Style (17th ed.) Citation

Kylander, Karin, and Olof Kylander. GIMP: The Official Handbook : The Gimp User's Manual Version 1.0.1. [Scottsdale, Ariz.]: Coriolis Open Press, 1999.

MLA (9th ed.) Citation

Kylander, Karin, and Olof Kylander. GIMP: The Official Handbook : The Gimp User's Manual Version 1.0.1. Coriolis Open Press, 1999.

Warning: These citations may not always be 100% accurate.