Cita APA (7a ed.)

Barry, P. (2012). USE A CABEÇA! PYTHON. Alta Books.

Cita Chicago Style (17a ed.)

Barry, Paul. USE A CABEÇA! PYTHON. [Place of publication not identified]: Alta Books, 2012.

Cita MLA (8a ed.)

Barry, Paul. USE A CABEÇA! PYTHON. Alta Books, 2012.