APA (7th ed.) Citation

Kelby, S., & Nelson, F. Photoshop 7 killer tips. New riders publishing.

Chicago Style (17th ed.) Citation

Kelby, Scott, and Felix Nelson. Photoshop 7 Killer Tips. Indianapolis: New riders publishing.

MLA (9th ed.) Citation

Kelby, Scott, and Felix Nelson. Photoshop 7 Killer Tips. New riders publishing.

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