APA (7th ed.) Citation

Poppel & Willmot. (1988). Heaven and hell: The war diary of a German paratrooper. Hippocrene Books.

Chicago Style (17th ed.) Citation

Poppel and Willmot. Heaven and Hell: The War Diary of a German Paratrooper. New York: Hippocrene Books, 1988.

MLA (8th ed.) Citation

Poppel and Willmot. Heaven and Hell: The War Diary of a German Paratrooper. Hippocrene Books, 1988.