Cita APA (7th ed.)

Copleston, F. (1993). A history of philosophy. Doubleday.

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

Copleston, Frederick. A History of Philosophy. Doubleday, 1993.