Map of the United States, the British provinces, Mexico &c.
MLA
Atwood, John M., b. ca. 1818. Map of the United States, the British provinces, Mexico &c.. BRBL_00370. 1849. https://collections.library.yale.edu/catalog/15535359.
APA, 6th edition
Atwood, John M., b. ca. 1818. (["BRBL_00370"])(1849)[Map of the United States, the British provinces, Mexico &c.]. https://collections.library.yale.edu/catalog/15535359.