APA (7e ed.) Bronvermelding
Goebeler, H. J., & Vanzo, J. P. (2008). Steel boats, iron hearts: A U-boat crewman's life aboard U-505 (1st trade pbk. ed.). Savas Beatie.
Chicago (17e ed.) Bronvermelding
Goebeler, Hans Jacob, en John P. Vanzo. Steel Boats, Iron Hearts: A U-boat Crewman's Life Aboard U-505. 1st trade pbk. ed. New York: Savas Beatie, 2008.
MLA (9e ed.) Bronvermelding
Goebeler, Hans Jacob, en John P. Vanzo. Steel Boats, Iron Hearts: A U-boat Crewman's Life Aboard U-505. 1st trade pbk. ed. Savas Beatie, 2008.
Let op: Deze citaties zijn niet altijd 100% accuraat.