Cite

[Map of parts of Chihuahua, Coahuila and Texas, and New Mexico].

MLA

[Map of Parts of Chihuahua, Coahuila and Texas, and New Mexico]. 0AD. https://collections.library.yale.edu/catalog/15830255.

APA, 6th edition

[Map of parts of Chihuahua, Coahuila and Texas, and New Mexico]. (0 C.E.). [Maps]. https://collections.library.yale.edu/catalog/15830255.