MLA

of Strategic Services. Research, United States. Office, and Analysis Branch. China [Cartographic Material] : [Transportation] / Compiled and Drawn in the Branch of Research and Analysis, OSS. lithographed in the Reproduction Branch, OSS, 1944. https://collections.library.yale.edu/catalog/15510627.

APA, 6th edition

of Strategic Services. Research, U. S. O., & Branch, A. (1944). China [cartographic material] : [transportation] / compiled and drawn in the Branch of Research and Analysis, OSS. [Road maps]. lithographed in the Reproduction Branch, OSS, https://collections.library.yale.edu/catalog/15510627.