Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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