MLA

of Strategic Services, United States. Office. South Germany, U.S. Zone of Occupation : Military Districts and Headquarters / Prepared by Intelligence Section, U.S. Group CC. OSS, 1944. https://collections.library.yale.edu/catalog/15479698.

APA, 6th edition

of Strategic Services, U. S. O. (1944). South Germany, U.S. zone of occupation : military districts and headquarters / prepared by Intelligence Section, U.S. Group CC. [Maps]. OSS, https://collections.library.yale.edu/catalog/15479698.