APA (7th ed.) Citation

Moller, Brack, & Andrea Barrson. (2002). The encyclopedia of U-boats from 1904 to the present day. Greenhill Books.

Chicago Style (17th ed.) Citation

Moller, Brack, and Andrea Barrson. The Encyclopedia of U-boats from 1904 to the Present Day. London: Greenhill Books, 2002.

MLA (8th ed.) Citation

Moller, et al. The Encyclopedia of U-boats from 1904 to the Present Day. Greenhill Books, 2002.