MLA

Sanborn Map Company, issuing body. Sharon, Litchfield County, Connecticut. 1926. https://collections.library.yale.edu/catalog/11622800.

APA, 6th edition

Sanborn Map Company, issuing body. (1926). Sharon, Litchfield County, Connecticut. [Atlases--Connecticut--Sharon--1926, Cadastral maps--Connecticut--Sharon--1926, Fire insurance maps--Connecticut--Sharon--1926]. https://collections.library.yale.edu/catalog/11622800.