APA (7th ed.) Citation

(2006). Head first HTML with CSS & XHTML / Elisabeth Freeman [Robson], Eric Freeman.

Chicago Style (17th ed.) Citation

Head First HTML with CSS & XHTML / Elisabeth Freeman [Robson], Eric Freeman. 2006.

MLA (9th ed.) Citation

Head First HTML with CSS & XHTML / Elisabeth Freeman [Robson], Eric Freeman. 2006.

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