APA (7th ed.) Citation

Armstrong, W. (1944). Battle of the oceans: The story of the British merchant marine. Liveright Pub. Corporation.

Chicago Style (17th ed.) Citation

Armstrong, Warren. Battle of the Oceans: The Story of the British Merchant Marine. New York: Liveright Pub. Corporation, 1944.

MLA (9th ed.) Citation

Armstrong, Warren. Battle of the Oceans: The Story of the British Merchant Marine. Liveright Pub. Corporation, 1944.