APA (7th ed.) Citation

Russell, B. (1961). History of Western philosophy (Gift edition.). Routledge.

Chicago Style (17th ed.) Citation

Russell, Bertrand. History of Western Philosophy. Gift edition. New York: Routledge, 1961.

MLA (8th ed.) Citation

Russell, Bertrand. History of Western Philosophy. Gift edition. Routledge, 1961.