MLA

Sanborn Map Company, issuing body. Stafford Springs, Tolland County, Connecticut. 1921. https://collections.library.yale.edu/catalog/11632320.

APA, 6th edition

Sanborn Map Company, issuing body. (1921). Stafford Springs, Tolland County, Connecticut. [Atlases--Connecticut--Stafford Springs--1921, Atlases--Connecticut--Willington (Town)--1921, Cadastral maps--Connecticut--Stafford Springs--1921, Cadastral maps--Connecticut--Willington (Town)--1921, Fire insurance maps--Connecticut--Stafford Springs--1921, Fire insurance maps--Connecticut--Willington (Town)--1921]. https://collections.library.yale.edu/catalog/11632320.