APA (7th ed.) Citation

Copleston, F. (1993). A History of philosophy. Doubleday Books.

Chicago Style (17th ed.) Citation

Copleston, Frederixk. A History of Philosophy. New York: Doubleday Books, 1993.

MLA (9th ed.) Citation

Copleston, Frederixk. A History of Philosophy. Doubleday Books, 1993.

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