APA

Werner H. A., . (1969). Iron coffins: a personal account of the German U-boat battles of World War II. New York: Holt, Rinehart and Winston.

Chicago

Werner Herbert A, . 1969. Iron coffins: a personal account of the German U-boat battles of World War II. New York: Holt, Rinehart and Winston.

Harvard

Werner H. A., . (1969). Iron coffins: a personal account of the German U-boat battles of World War II. New York: Holt, Rinehart and Winston.

MLA

Werner Herbert A, . Iron coffins: a personal account of the German U-boat battles of World War II. New York: Holt, Rinehart and Winston. 1969.