APA (7th ed.) Citation

Williamson. (2007). U-boats vs. destroyer escorts: The Battle of the Atlantic. Osprey.

Chicago Style (17th ed.) Citation

Williamson. U-boats Vs. Destroyer Escorts: The Battle of the Atlantic. Oxford New York: Osprey, 2007.

MLA (8th ed.) Citation

Williamson. U-boats Vs. Destroyer Escorts: The Battle of the Atlantic. Osprey, 2007.

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