APA (7th ed.) Citation

Copleston, F. C. (1985). A history of philosophy. Doubleday.

Chicago Style (17th ed.) Citation

Copleston, Frederick Charles. A History of Philosophy. New York: Doubleday, 1985.

MLA (9th ed.) Citation

Copleston, Frederick Charles. A History of Philosophy. Doubleday, 1985.