MLA

of State. Interim Research, United States. Department, et al. Indochina, Natural Availability of Water / R & A, IRIS. lithographed in the Reproduction Branch, OSS, 0AD. https://collections.library.yale.edu/catalog/15511920.

APA, 6th edition

of State. Interim Research, U. S. D., Research, I. S., & Branch, A. (0 C.E.). Indochina, natural availability of water / R & A, IRIS. [Maps]. lithographed in the Reproduction Branch, OSS, https://collections.library.yale.edu/catalog/15511920.