APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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