APA (7th ed.) Zitazioa

Dubbs, C. (2014). America's U-boats: Terror trophies of World War I. University of Nebraska Press.

Chicago Style (17th ed.) Zitazioa

Dubbs, Chris. America's U-boats: Terror Trophies of World War I. [Lincoln, Nebraska]: University of Nebraska Press, 2014.

MLA (9th ed.) Zitazioa

Dubbs, Chris. America's U-boats: Terror Trophies of World War I. University of Nebraska Press, 2014.