APA (7th ed.) Citation

Stern. (2002). Battle Beneath the waves: U-boats at war. Cassell & Co.

Chicago Style (17th ed.) Citation

Stern. Battle Beneath the Waves: U-boats at War. London: Cassell & Co, 2002.

MLA (8th ed.) Citation

Stern. Battle Beneath the Waves: U-boats at War. Cassell & Co, 2002.

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