Cite

Phelps' Ornamental map of the United States and Mexico.

MLA

Phelps' Ornamental Map of the United States and Mexico. H. Phelps, 1847. https://collections.library.yale.edu/catalog/15536461.

APA, 6th edition

Phelps' Ornamental map of the United States and Mexico. (1847). [Maps]. H. Phelps, https://collections.library.yale.edu/catalog/15536461.