Cite

A map of the most inhabited part of New England ...

MLA

A Map of the Most Inhabited Part of New England ... John Bowles& Carington Bowles, 0AD. https://collections.library.yale.edu/catalog/15604203.

APA, 6th edition

A map of the most inhabited part of New England ... (0 C.E.). [Maps]. John Bowles& Carington Bowles, https://collections.library.yale.edu/catalog/15604203.