APA (7th ed.) Citation

Keller, R. (2020). The Wehrmacht and prisoners of war: Crimes and violations of international law. Armament, war and crimes.

Chicago Style (17th ed.) Citation

Keller, Rolf. "The Wehrmacht and Prisoners of War: Crimes and Violations of International Law." Armament, War and Crimes 2020.

MLA (8th ed.) Citation

Keller, Rolf. "The Wehrmacht and Prisoners of War: Crimes and Violations of International Law." Armament, War and Crimes, 2020.