APA (7th ed.) Citation

Williamson, G. (2010). U-boat tactics in World War II (1. publ.). Osprey Publ.

Chicago Style (17th ed.) Citation

Williamson, Gordon. U-boat Tactics in World War II. 1. publ. Oxford: Osprey Publ, 2010.

MLA (9th ed.) Citation

Williamson, Gordon. U-boat Tactics in World War II. 1. publ. Osprey Publ, 2010.

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