APA (7th ed.) Citation

O'Hara, V. P. (2004). The German fleet at war, 1939-1945. Naval Institute Press.

Chicago Style (17th ed.) Citation

O'Hara, Vincent P. The German Fleet at War, 1939-1945. Annapolis, Md.: Naval Institute Press, 2004.

MLA (9th ed.) Citation

O'Hara, Vincent P. The German Fleet at War, 1939-1945. Naval Institute Press, 2004.