APA (7th ed.) Citation

Lecky-Thompson, E., Nowicki, & Myer. (2009). Professional PHP 6. Wiley Publishing.

Chicago Style (17th ed.) Citation

Lecky-Thompson, Ed, Nowicki, and Myer. Professional PHP 6. Indianapolis: Wiley Publishing, 2009.

MLA (8th ed.) Citation

Lecky-Thompson, Ed, et al. Professional PHP 6. Wiley Publishing, 2009.