CSS the definitive guide

MLA

Meyer, Eric A. Css the Definitive Guide. 3th ed. Cambridge: O'Reilly, 2006.

APA

Meyer, E. A. (2006). CSS the definitive guide. 3th ed. Cambridge: O'Reilly.

Chicago

Meyer, Eric A. CSS the Definitive Guide. 3th ed. Cambridge: O'Reilly, 2006.