APA (7th ed.) Citation

Kraetschmer, T., Luef, B., & Lauter, T. (2012). Photoshop CS5. O'Reilly Media Germany.

Chicago Style (17th ed.) Citation

Kraetschmer, Thomas, Barbara Luef, and Thomas Lauter. Photoshop CS5. [Place of publication not identified]: O'Reilly Media Germany, 2012.

MLA (9th ed.) Citation

Kraetschmer, Thomas, et al. Photoshop CS5. O'Reilly Media Germany, 2012.