APA (7th ed.) Citation

Copleston, F. C. (1971). A History of philosophy A history of philosophy.

Chicago Style (17th ed.) Citation

Copleston, Frederick Charles. "A History of Philosophy." A History of Philosophy 1971.

MLA (8th ed.) Citation

Copleston, Frederick Charles. "A History of Philosophy." A History of Philosophy, 1971.

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