MLA

Jefferys, Thomas, d. 1771, creator. A new map of Nova Scotia, and Cape Britain: With the adjacent parts of New England and Canada, composed from a great number of actual surveys; and other materials regulated by many new astronomical observations of the longitude as well as latitude; with a. 1755. https://collections.library.yale.edu/catalog/2040299.

APA, 6th edition

Jefferys, Thomas, d. 1771, creator. (1755)[A new map of Nova Scotia, and Cape Britain: With the adjacent parts of New England and Canada, composed from a great number of actual surveys; and other materials regulated by many new astronomical observations of the longitude as well as latitude; with a]. https://collections.library.yale.edu/catalog/2040299.