MLA

of Strategic Services. Research, United States. Office, and Analysis Branch. Political Divisions of Malaya Singapore Island / Office of Strategic Services, Research and Analysis Branch. Reproduction Branch, OSS, 0AD. https://collections.library.yale.edu/catalog/15511950.

APA, 6th edition

of Strategic Services. Research, U. S. O., & Branch, A. (0 C.E.). Political divisions of Malaya Singapore Island / Office of Strategic Services, Research and Analysis Branch. [Maps]. Reproduction Branch, OSS, https://collections.library.yale.edu/catalog/15511950.