APA (7th ed.) Citation

Lerdorf, R., & Tatroe, K. (2002). Programming PHP. O' Reilly.

Chicago Style (17th ed.) Citation

Lerdorf, Rasmus, and Kevin Tatroe. Programming PHP. Beijing: O' Reilly, 2002.

MLA (8th ed.) Citation

Lerdorf, Rasmus, and Kevin Tatroe. Programming PHP. O' Reilly, 2002.

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