APA (7th ed.) Citation

Breuer, W. B. (1990). Nazi spies in America: Hitler's undercover war. St. Martin's Paperbacks.

Chicago Style (17th ed.) Citation

Breuer, William B. Nazi Spies in America: Hitler's Undercover War. New York: St. Martin's Paperbacks, 1990.

MLA (8th ed.) Citation

Breuer, William B. Nazi Spies in America: Hitler's Undercover War. St. Martin's Paperbacks, 1990.