MLA

Sanborn Map Company, issuing body. Wethersfield, Hartford County Connecticut. 1922. https://collections.library.yale.edu/catalog/11679489.

APA, 6th edition

Sanborn Map Company, issuing body. (1922). Wethersfield, Hartford County Connecticut. [Atlases--Connecticut--Wethersfield--1922, Cadastral maps--Connecticut--Wethersfield--1922, Fire insurance maps--Connecticut--Wethersfield--1922]. https://collections.library.yale.edu/catalog/11679489.