APA (7th ed.) Citation

O'Hear, A. (1986). What philosophy is: An introduction to contemporary philosophy. Penguin Books Ltd..

Chicago Style (17th ed.) Citation

O'Hear, Anthony. What Philosophy Is: An Introduction to Contemporary Philosophy. Middlesex: Penguin Books Ltd., 1986.

MLA (9th ed.) Citation

O'Hear, Anthony. What Philosophy Is: An Introduction to Contemporary Philosophy. Penguin Books Ltd., 1986.

Warning: These citations may not always be 100% accurate.