APA (7th ed.) Citation

Passmore, J. (1968). A hundred years of philosophy. Penguin Books.

Chicago Style (17th ed.) Citation

Passmore, John. A Hundred Years of Philosophy. Harmondsworth: Penguin Books, 1968.

MLA (9th ed.) Citation

Passmore, John. A Hundred Years of Philosophy. Penguin Books, 1968.