APA (7th ed.) Citation

Smith, J., & Joost, R. (2012). GIMP for Absolute Beginners (1st edition.). Apress.

Chicago Style (17th ed.) Citation

Smith, Jan, and Roman Joost. GIMP for Absolute Beginners. 1st edition. Apress, 2012.

MLA (9th ed.) Citation

Smith, Jan, and Roman Joost. GIMP for Absolute Beginners. 1st edition. Apress, 2012.

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