MLA

Sanborn-Perris Map Co., issuing body. Southington, Hartford Co., Connecticut. 1901. https://collections.library.yale.edu/catalog/11624102.

APA, 6th edition

Sanborn-Perris Map Co., issuing body. (1901). Southington, Hartford Co., Connecticut. [Atlases--Connecticut--Southington--1901, Cadastral maps--Connecticut--Southington--1901, Fire insurance maps--Connecticut--Southington--1901]. https://collections.library.yale.edu/catalog/11624102.