APA (7th ed.) Citation

Aster, S. (1973). 1939: The making of the Second World War. Simon and Schuster.

Chicago Style (17th ed.) Citation

Aster, Sidney. 1939: The Making of the Second World War. New York: Simon and Schuster, 1973.

MLA (9th ed.) Citation

Aster, Sidney. 1939: The Making of the Second World War. Simon and Schuster, 1973.