MLA

Sanborn Map Company, issuing body. New Canaan, Fairfield County, Connecticut. 1912. https://collections.library.yale.edu/catalog/11175804.

APA, 6th edition

Sanborn Map Company, issuing body. (1912). New Canaan, Fairfield County, Connecticut. [Atlases, Cadastral maps, Connecticut, Fire insurance maps, local, New Canaan]. https://collections.library.yale.edu/catalog/11175804.