APA (7th ed.) Citation

Hamlyn, D. . . . W. (1990). The Penguin history of Western philosophy. Penguin Books.

Chicago Style (17th ed.) Citation

Hamlyn, D W. The Penguin History of Western Philosophy. London, England: Penguin Books, 1990.

MLA (9th ed.) Citation

Hamlyn, D W. The Penguin History of Western Philosophy. Penguin Books, 1990.