Cita APA

Robson, E., & Freeman, E. (2006). Head first HTML with CSS & XHTML. O'Reilly Media, Inc.

Citación estilo Chicago

Robson, Elisabeth, and Eric Freeman. Head First HTML with CSS & XHTML. Sebastopol, CA: O'Reilly Media, Inc, 2006.

Cita MLA

Robson, Elisabeth, and Eric Freeman. Head First HTML with CSS & XHTML. O'Reilly Media, Inc, 2006.

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