Map of the Western Theatre of War / Prepared in the Map Dept. of the National Geographic Society for the National Geographic Magazine ; A. H. Bumstead, cartographer.
MLA
Bumstead, Albert H. (Albert Hoit), 1875-1940, National Geographic Society (U.S.). Cartographic Division. Map of the Western Theatre of War / Prepared in the Map Dept. of the National Geographic Society for the National Geographic Magazine ; A. H. Bumstead, cartographer.. BRBL_00032A. 1918. https://collections.library.yale.edu/catalog/15258816.
APA, 6th edition
Bumstead, Albert H. (Albert Hoit), 1875-1940, & National Geographic Society (U.S.). Cartographic Division. (["BRBL_00032A"])(1918)[Map of the Western Theatre of War / Prepared in the Map Dept. of the National Geographic Society for the National Geographic Magazine ; A. H. Bumstead, cartographer.]. https://collections.library.yale.edu/catalog/15258816.
