MLA

of State. Interim Research, United States. Department, et al. China Food Surpluses and Deficiencies [Cartographic Material] / R & A, IRIS. Reproduction Branch, SSU, 1945. https://collections.library.yale.edu/catalog/15510622.

APA, 6th edition

of State. Interim Research, U. S. D., Research, I. S., & Branch, A. (1945). China food surpluses and deficiencies [cartographic material] / R & A, IRIS. [Maps]. Reproduction Branch, SSU, https://collections.library.yale.edu/catalog/15510622.