MLA

Jefferys, Thomas, -1771. A map of the most inhabited part of New England : containing the provinces of Massachusetts Bay and New Hampshire, with the colonies of Konektikut and Rhode Island, divided into counties and townships: The whole composed from actual surveys and its situat. BRBL_00443. November 29th 1755.. https://collections.library.yale.edu/catalog/15604202.

APA, 6th edition

Jefferys, Thomas, -1771. (["BRBL_00443"])(November 29th 1755.)[A map of the most inhabited part of New England : containing the provinces of Massachusetts Bay and New Hampshire, with the colonies of Konektikut and Rhode Island, divided into counties and townships: The whole composed from actual surveys and its situat]. https://collections.library.yale.edu/catalog/15604202.