Cite

New Mexico and Arizona.

MLA

Gray, Ormando Willis. New Mexico and Arizona. N.R. Stedman & Co., 1878. https://collections.library.yale.edu/catalog/15818553.

APA, 6th edition

Gray, O. W. (1878). New Mexico and Arizona. [Maps]. N.R. Stedman & Co., https://collections.library.yale.edu/catalog/15818553.