MLA

Wadsworth, James, 1730-1817. A plan of the town of New Haven [cartographic material] : with all the buildings in 1748 / taken by the Hon. Gen. Wadsworth of Durham, to which are added the names and professions of the inhabitants at that period, also the location of lots to many of the. BRBL_00469A. [1865?]. https://collections.library.yale.edu/catalog/15952287.

APA, 6th edition

Wadsworth, James, 1730-1817. (["BRBL_00469A"])([1865?])[A plan of the town of New Haven [cartographic material] : with all the buildings in 1748 / taken by the Hon. Gen. Wadsworth of Durham, to which are added the names and professions of the inhabitants at that period, also the location of lots to many of the]. https://collections.library.yale.edu/catalog/15952287.