Cita APA (7a ed.)

Freeman, E., & Robson, E. (2015). Use a Cabeça! HTML e CSS. Alta Books.

Cita Chicago Style (17a ed.)

Freeman, Eric, y Elisabeth Robson. Use a Cabeça! HTML E CSS. [Place of publication not identified]: Alta Books, 2015.

Cita MLA (8a ed.)

Freeman, Eric, y Elisabeth Robson. Use a Cabeça! HTML E CSS. Alta Books, 2015.