APA (7th ed.) Citation

Watts, A. P. (1939). A history of western civilization. Prentice-Hall.

Chicago Style (17th ed.) Citation

Watts, Arthur Pryor. A History of Western Civilization. New York: Prentice-Hall, 1939.

MLA (9th ed.) Citation

Watts, Arthur Pryor. A History of Western Civilization. Prentice-Hall, 1939.