Cita APA (7a ed.)

Robson,Elisabeth, & Freeman,Eric. (2012). Head first HTML and CSS (2nd.). Shroff Publisher.

Cita Chicago Style (17a ed.)

Robson,Elisabeth, y Freeman,Eric. Head First HTML and CSS. 2nd. New Delhi: Shroff Publisher, 2012.

Cita MLA (9a ed.)

Robson,Elisabeth, y Freeman,Eric. Head First HTML and CSS. 2nd. Shroff Publisher, 2012.