Cite

The National geographic magazine map of Mexico / prepared by J. G. Bartholomew ; Gilbert H. Grosvenor, editor.

MLA

Bartholomew, J. G. (John George), 1860-1920. The National geographic magazine map of Mexico / prepared by J. G. Bartholomew ; Gilbert H. Grosvenor, editor.. BRBL_00648. 1916?]. https://collections.library.yale.edu/catalog/15822319.

APA, 6th edition

Bartholomew, J. G. (John George), 1860-1920. (["BRBL_00648"])(1916?])[The National geographic magazine map of Mexico / prepared by J. G. Bartholomew ; Gilbert H. Grosvenor, editor.]. https://collections.library.yale.edu/catalog/15822319.