APA (7th ed.) Citation

Lerdorf, R., & Tatroe, K. (2002). Programming PHP (1st edition.). O'Reilly Media, Inc..

Chicago Style (17th ed.) Citation

Lerdorf, Rasmus, and Kevin Tatroe. Programming PHP. 1st edition. O'Reilly Media, Inc., 2002.

MLA (9th ed.) Citation

Lerdorf, Rasmus, and Kevin Tatroe. Programming PHP. 1st edition. O'Reilly Media, Inc., 2002.

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