Stanford's new hand map of the United States of North America / Constructed and engrd. at Stanford's Geographical Establishmt. London.
MLA
Stanford's New Hand Map of the United States of North America / Constructed and Engrd. at Stanford's Geographical Establishmt. London. Edward Stanford, 1861. https://collections.library.yale.edu/catalog/15536502.
APA, 6th edition
Stanford's new hand map of the United States of North America / Constructed and engrd. at Stanford's Geographical Establishmt. London. (1861). [Maps]. Edward Stanford, https://collections.library.yale.edu/catalog/15536502.