Newtown, Fairfield County, Connecticut.
MLA
Sanborn Map Company, issuing body. Newtown, Fairfield County, Connecticut. 1951. https://collections.library.yale.edu/catalog/11580160.
APA, 6th edition
Sanborn Map Company, issuing body. (1951). Newtown, Fairfield County, Connecticut. [Atlases--Connecticut--Newtown--1951, Cadastral maps--Connecticut--Newtown--1951, Fire insurance maps--Connecticut--Newtown--1951]. https://collections.library.yale.edu/catalog/11580160.