APA (7th ed.) Citation

Kelby, S. (2008). Professional Portrait Retouching, Part 1 (1st edition.). Peachpit Press.

Chicago Style (17th ed.) Citation

Kelby, Scott. Professional Portrait Retouching, Part 1. 1st edition. Peachpit Press, 2008.

MLA (9th ed.) Citation

Kelby, Scott. Professional Portrait Retouching, Part 1. 1st edition. Peachpit Press, 2008.

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