Cita APA (7a ed.)

McDonald, P. (2012). The philosophy of humour. HEB Humanities E-Books.

Cita Chicago Style (17a ed.)

McDonald, Paul. The Philosophy of Humour. Penrith, CA: HEB Humanities E-Books, 2012.

Cita MLA (8a ed.)

McDonald, Paul. The Philosophy of Humour. HEB Humanities E-Books, 2012.