Cita APA (7a ed.)

Weeks, M. (2014). Heads up philosophy (First American edition.). DK Publishing.

Cita Chicago Style (17a ed.)

Weeks, Martin. Heads Up Philosophy. First American edition. New York, N.Y.: DK Publishing, 2014.

Cita MLA (8a ed.)

Weeks, Martin. Heads Up Philosophy. First American edition. DK Publishing, 2014.

Precaución: Estas citas no son 100% exactas.