APA (7th ed.) Citation

(2004). Essential PHP tools: Modules, extensions, and accelerators / David Sklar.

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

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