APA (7th ed.) Citation

Obermeier, B. (2008). Photoshop® CS4 All-in-One For Dummies® (1st edition.). For Dummies.

Chicago Style (17th ed.) Citation

Obermeier, Barbara. Photoshop® CS4 All-in-One For Dummies®. 1st edition. For Dummies, 2008.

MLA (9th ed.) Citation

Obermeier, Barbara. Photoshop® CS4 All-in-One For Dummies®. 1st edition. For Dummies, 2008.

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