MLA

Sanborn-Perris Map Co., issuing body. Plainville, Hartford Co., Conn. 1900. https://collections.library.yale.edu/catalog/11585759.

APA, 6th edition

Sanborn-Perris Map Co., issuing body. (1900). Plainville, Hartford Co., Conn. [Atlases--Connecticut--Plainville--1900, Cadastral maps--Connecticut--Plainville--1900, Fire insurance maps--Connecticut--Plainville--1900]. https://collections.library.yale.edu/catalog/11585759.