APA (7th ed.) Citation

Franks. (2004). Dark sky, deep water: First hand reflections on the anti-U-boat War in Europe in WWII. Grub Street.

Chicago Style (17th ed.) Citation

Franks. Dark Sky, Deep Water: First Hand Reflections on the Anti-U-boat War in Europe in WWII. London: Grub Street, 2004.

MLA (8th ed.) Citation

Franks. Dark Sky, Deep Water: First Hand Reflections on the Anti-U-boat War in Europe in WWII. Grub Street, 2004.