APA (7th ed.) Citation

Ryan, P. B. (1981). First line of defense: The U.S. Navy since 1945. Hoover Institution Press.

Chicago Style (17th ed.) Citation

Ryan, Paul B. First Line of Defense: The U.S. Navy Since 1945. Stanford, Calif.: Hoover Institution Press, 1981.

MLA (9th ed.) Citation

Ryan, Paul B. First Line of Defense: The U.S. Navy Since 1945. Hoover Institution Press, 1981.