APA-referens

Warburton, N. A. (2009). Philosophy: The classics (3rd ed.).

Chicago-stil citat

Warburton, Nigel; Author. Philosophy: The Classics. 3rd ed. New York, Routledge, 2009.

MLA-referens

Warburton, Nigel; Author. Philosophy: The Classics. 3rd ed. 2009.