MLA

of Strategic Services. Research, United States. Office, and Analysis Branch. Germany, Western Border Regions, Critical. R & A, OSS, 1945. https://collections.library.yale.edu/catalog/15479634.

APA, 6th edition

of Strategic Services. Research, U. S. O., & Branch, A. (1945). Germany, Western border regions, critical [Maps]. R & A, OSS, https://collections.library.yale.edu/catalog/15479634.