APA (7th ed.) Citation

Cathcart, T., & Klein, D. (2008). Plato and a platypus walk into a bar: Understanding philosophy through jokes. Penguin Random House.

Chicago Style (17th ed.) Citation

Cathcart, Thomas, and Daniel Klein. Plato and a Platypus Walk into a Bar: Understanding Philosophy Through Jokes. New York: Penguin Random House, 2008.

MLA (9th ed.) Citation

Cathcart, Thomas, and Daniel Klein. Plato and a Platypus Walk into a Bar: Understanding Philosophy Through Jokes. Penguin Random House, 2008.