APA (7th ed.) Citation

Bailey, T. A., & Ryan, P. B. (1979). Hitler vs. Roosevelt: The undeclared Naval War. The Free Press.

Chicago Style (17th ed.) Citation

Bailey, Thomas A., and Paul B. Ryan. Hitler Vs. Roosevelt: The Undeclared Naval War. New York (u.a.): The Free Press, 1979.

MLA (8th ed.) Citation

Bailey, Thomas A., and Paul B. Ryan. Hitler Vs. Roosevelt: The Undeclared Naval War. The Free Press, 1979.