APA (7th ed.) Citation

Grayling, A. C. (2019). The history of philosophy. Penguin Press.

Chicago Style (17th ed.) Citation

Grayling, A. C. The History of Philosophy. New York: Penguin Press, 2019.

MLA (8th ed.) Citation

Grayling, A. C. The History of Philosophy. Penguin Press, 2019.

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