MLA

of State. Interim Research, United States. Department, et al. Indochina, Construction Materials / R & A, IRIS. lithographed in the Reproduction Branch, SSU, 1945. https://collections.library.yale.edu/catalog/15511921.

APA, 6th edition

of State. Interim Research, U. S. D., Research, I. S., & Branch, A. (1945). Indochina, construction materials / R & A, IRIS. [Maps]. lithographed in the Reproduction Branch, SSU, https://collections.library.yale.edu/catalog/15511921.