MLA

Sanborn Map Company, issuing body. Farmington, Hartford County, Connecticut. 1924. https://collections.library.yale.edu/catalog/11122863.

APA, 6th edition

Sanborn Map Company, issuing body. (1924). Farmington, Hartford County, Connecticut. [Atlases, Cadastral maps, Connecticut, Farmington (Town), Fire insurance maps, local]. https://collections.library.yale.edu/catalog/11122863.