Iraq: distribution of major crops [cartographic material] / Board of Economic Warfare, Supply and Resources Branch ; drawn in R and A, OSS.
MLA
of Economic Warfare. Supply, United States. Board, and Resources Branch. Iraq: Distribution of Major Crops [Cartographic Material] / Board of Economic Warfare, Supply and Resources Branch ; Drawn in R and A, OSS. Reproduction Branch, OSS, 1943. https://collections.library.yale.edu/catalog/15509661.
APA, 6th edition
of Economic Warfare. Supply, U. S. B., & Branch, R. (1943). Iraq: distribution of major crops [cartographic material] / Board of Economic Warfare, Supply and Resources Branch ; drawn in R and A, OSS. [Maps]. Reproduction Branch, OSS, https://collections.library.yale.edu/catalog/15509661.