APA (7th ed.) Citation

Mallmann-Showell, J. P. (1989). U-boat command and the battle of the Atlantic (1. publ. in Great Britain.). Vanwell.

Chicago Style (17th ed.) Citation

Mallmann-Showell, Jak P. U-boat Command and the Battle of the Atlantic. 1. publ. in Great Britain. St. Catharines, Ont. u.a: Vanwell, 1989.

MLA (9th ed.) Citation

Mallmann-Showell, Jak P. U-boat Command and the Battle of the Atlantic. 1. publ. in Great Britain. Vanwell, 1989.