MLA

Service, United States. Army Map. Eastern Asia 1:1,000,000 [Cartographic Material] : AAF Cloth Chart. Hakodate. NK54. A.M.S., 1943. https://collections.library.yale.edu/catalog/15509721.

APA, 6th edition

Service, U. S. A. M. (1943). Eastern Asia 1:1,000,000 [cartographic material] : AAF cloth chart. Hakodate. NK54. [Maps]. A.M.S., https://collections.library.yale.edu/catalog/15509721.