Cita APA (7th ed.)

Greetham, B. (2006). Philosophy. Palgrave Macmillan.

Cita Chicago (17th ed.)

Greetham, Bryan. Philosophy. Basingstoke [England] ; New York: Palgrave Macmillan, 2006.

Cita MLA (8th ed.)

Greetham, Bryan. Philosophy. Palgrave Macmillan, 2006.