Map of the races of Europe and adjoining portions of Asia and Africa / drawn under the direction of Edwin A. Grosvenor and Gilbert Grosvenor in the Map Department of the National Geographic Magazine by Albert H. Bumstead.
MLA
Bumstead, Albert H. (Albert Hoit), 1875-1940. Map of the races of Europe and adjoining portions of Asia and Africa / drawn under the direction of Edwin A. Grosvenor and Gilbert Grosvenor in the Map Department of the National Geographic Magazine by Albert H. Bumstead.. BRBL_00037B. 1919. https://collections.library.yale.edu/catalog/15826777.
APA, 6th edition
Bumstead, Albert H. (Albert Hoit), 1875-1940. (["BRBL_00037B"])(1919)[Map of the races of Europe and adjoining portions of Asia and Africa / drawn under the direction of Edwin A. Grosvenor and Gilbert Grosvenor in the Map Department of the National Geographic Magazine by Albert H. Bumstead.]. https://collections.library.yale.edu/catalog/15826777.
