APA (7th ed.) Citation

Ullman, L. E. (2011). PHP for the Web (4th ed.). Peachpit Press.

Chicago Style (17th ed.) Citation

Ullman, Larry E. PHP for the Web. 4th ed. Berkeley, CA: Peachpit Press, 2011.

MLA (8th ed.) Citation

Ullman, Larry E. PHP for the Web. 4th ed. Peachpit Press, 2011.