APA (7th ed.) Citation

Schwendiman, B. PHP 4 Developers Guide. The Dryden Press.

Chicago Style (17th ed.) Citation

Schwendiman, Blake. PHP 4 Developers Guide. The Dryden Press.

MLA (8th ed.) Citation

Schwendiman, Blake. PHP 4 Developers Guide. The Dryden Press.

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