APA (7th ed.) Citation

Ruge, F. (1957). Sea warfare, 1939-1945: A German viewpoint. Cassell.

Chicago Style (17th ed.) Citation

Ruge, Friedrich. Sea Warfare, 1939-1945: A German Viewpoint. London: Cassell, 1957.

MLA (8th ed.) Citation

Ruge, Friedrich. Sea Warfare, 1939-1945: A German Viewpoint. Cassell, 1957.

Warning: These citations may not always be 100% accurate.