APA (7th ed.) Citation

Macintyre. (1976). U-Boat killer. Seeley Service.

Chicago Style (17th ed.) Citation

Macintyre. U-Boat Killer. London: Seeley Service, 1976.

MLA (8th ed.) Citation

Macintyre. U-Boat Killer. Seeley Service, 1976.

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