APA (7th ed.) Citation

United States. War Department, National Geographic Society (U.S.). Cartographic Section, & Darley, J. M. (1946). Occupation zones, Germany and Austria. [War Department].

Chicago Style (17th ed.) Citation

United States. War Department, National Geographic Society (U.S.). Cartographic Section, and James M. Darley. Occupation Zones, Germany and Austria. [Washington, D.C.]: [War Department], 1946.

MLA (9th ed.) Citation

United States. War Department, et al. Occupation Zones, Germany and Austria. [War Department], 1946.