MLA

of Strategic Services. Research, United States. Office, and Analysis Branch. Provinces of China [Cartographic Material] / Drawn in R & A, OSS, APO 627, New York, N.Y. Office of Strategic Services], 1945. https://collections.library.yale.edu/catalog/15510624.

APA, 6th edition

of Strategic Services. Research, U. S. O., & Branch, A. (1945). Provinces of China [cartographic material] / drawn in R & A, OSS, APO 627, New York, N.Y. [Maps]. Office of Strategic Services], https://collections.library.yale.edu/catalog/15510624.