MLA

Sanborn-Perris Map Co., issuing body. Wallingford, New Haven Co., Conn. 1892. https://collections.library.yale.edu/catalog/11675884.

APA, 6th edition

Sanborn-Perris Map Co., issuing body. (1892). Wallingford, New Haven Co., Conn. [Atlases--Connecticut--Wallingford--1892, Cadastral maps--Connecticut--Wallingford--1892, Fire insurance maps--Connecticut--Wallingford--1892]. https://collections.library.yale.edu/catalog/11675884.