Cita APA (7a ed.)

Scarre, G. (2010). On courage. Routledge.

Cita Chicago Style (17a ed.)

Scarre, Geoffrey. On Courage. Abingdon, Oxon ; New York: Routledge, 2010.

Cita MLA (8a ed.)

Scarre, Geoffrey. On Courage. Routledge, 2010.