Southport, Fairfield County, Connecticut.
MLA
Sanborn Map Company, issuing body. Southport, Fairfield County, Connecticut. 1913. https://collections.library.yale.edu/catalog/11632407.
APA, 6th edition
Sanborn Map Company, issuing body. (1913). Southport, Fairfield County, Connecticut. [Atlases--Connecticut--Southport--1913, Cadastral maps--Connecticut--Southport--1913, Fire insurance maps--Connecticut--Southport--1913]. https://collections.library.yale.edu/catalog/11632407.