Outer Mongolia and Tannu Tuva / compiled and drawn in the Branch of Research and Analysis, OSS.
MLA
of Strategic Services. Research, United States. Office, and Analysis Branch. Outer Mongolia and Tannu Tuva / Compiled and Drawn in the Branch of Research and Analysis, OSS. Reproduction Section, OSS, 1943. https://collections.library.yale.edu/catalog/15510647.
APA, 6th edition
of Strategic Services. Research, U. S. O., & Branch, A. (1943). Outer Mongolia and Tannu Tuva / compiled and drawn in the Branch of Research and Analysis, OSS. [Maps]. Reproduction Section, OSS, https://collections.library.yale.edu/catalog/15510647.