APA (7th ed.) Citation

KELBY & Nelson. (2003). Photoshop 7: Killertips. New Riders.

Chicago Style (17th ed.) Citation

KELBY and Nelson. Photoshop 7: Killertips. Indianapolis, IN, USA: New Riders, 2003.

MLA (9th ed.) Citation

KELBY and Nelson. Photoshop 7: Killertips. New Riders, 2003.

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