APA (7th ed.) Citation

Sklar, D. (2004). Essential PHP tools: Modules, extensions, and accelerators. Apress.

Chicago Style (17th ed.) Citation

Sklar, David. Essential PHP Tools: Modules, Extensions, and Accelerators. Berkeley, CA: Apress, 2004.

MLA (9th ed.) Citation

Sklar, David. Essential PHP Tools: Modules, Extensions, and Accelerators. Apress, 2004.

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