APA (7th ed.) Citation

Galer, M., & Andrews, P. (2012). Photoshop CS6: Essential Skills (1st edition.). Routledge.

Chicago Style (17th ed.) Citation

Galer, Mark, and Philip Andrews. Photoshop CS6: Essential Skills. 1st edition. [Erscheinungsort nicht ermittelbar]: Routledge, 2012.

MLA (9th ed.) Citation

Galer, Mark, and Philip Andrews. Photoshop CS6: Essential Skills. 1st edition. Routledge, 2012.