Citazione Stile APA (7a Edizione)

Knapik, T., & Childs, T. (2008). Wolf pack: U-Boats in the Atlantic 1939-1944 = Wilcze stada : U-booty na Atlantyku 1939-1944. Polskie Media Amer.Com.

Citazione stile Chigago Style (17a edizione)

Knapik, Tomasz, e Ted Childs. Wolf Pack: U-Boats in the Atlantic 1939-1944 = Wilcze Stada : U-booty Na Atlantyku 1939-1944. Poznań: Polskie Media Amer.Com, 2008.

Citatione MLA (9a ed.)

Knapik, Tomasz, e Ted Childs. Wolf Pack: U-Boats in the Atlantic 1939-1944 = Wilcze Stada : U-booty Na Atlantyku 1939-1944. Polskie Media Amer.Com, 2008.