Stanford's map of the United States and part of the Dominion of Canada.
MLA
Stanford's Map of the United States and Part of the Dominion of Canada. Edward Stanford, 0AD. https://collections.library.yale.edu/catalog/15536529.
APA, 6th edition
Stanford's map of the United States and part of the Dominion of Canada. (0 C.E.). [Maps]. Edward Stanford, https://collections.library.yale.edu/catalog/15536529.