APA (7th ed.) Citation

O'Hear, A. (1985). What philosophy is: An introduction to contemporary philosophy. Penguin.

Chicago Style (17th ed.) Citation

O'Hear, Anthony. What Philosophy Is: An Introduction to Contemporary Philosophy. Harmondsworth: Penguin, 1985.

MLA (9th ed.) Citation

O'Hear, Anthony. What Philosophy Is: An Introduction to Contemporary Philosophy. Penguin, 1985.

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