MLA

Sanborn Map Company, issuing body. Thompsonville, (Town of Enfield), Hartford County, Connecticut. 1925. https://collections.library.yale.edu/catalog/11672653.

APA, 6th edition

Sanborn Map Company, issuing body. (1925). Thompsonville, (Town of Enfield), Hartford County, Connecticut. [Atlases--Connecticut--Enfield--1925, Atlases--Connecticut--Thompsonville--1925, Cadastral maps--Connecticut--Enfield--1925, Cadastral maps--Connecticut--Thompsonville--1925, Fire insurance maps--Connecticut--Enfield--1925, Fire insurance maps--Connecticut--Thompsonville--1925]. https://collections.library.yale.edu/catalog/11672653.