MLA

of State. Division of Map Intelligence, United States. Department, and Cartography. Japan. Wakayama-Ken : Administrative Divisions, November 1943 / Lithographed in G.P.O.: Department of State Service Office. Dept. of State, Map Division, 1947. https://collections.library.yale.edu/catalog/15511636.

APA, 6th edition

of State. Division of Map Intelligence, U. S. D., & C. (1947). Japan. Wakayama-ken : administrative divisions, November 1943 / lithographed in G.P.O.: Department of State Service Office. [Maps]. Dept. of State, Map Division. https://collections.library.yale.edu/catalog/15511636.