MLA

Sanborn-Perris Map Co., issuing body. New Hartford, Lichfield Co., Conn. 1897. https://collections.library.yale.edu/catalog/11175853.

APA, 6th edition

Sanborn-Perris Map Co., issuing body. (1897). New Hartford, Lichfield Co., Conn. [Atlases, Cadastral maps, Connecticut, Fire insurance maps, local, New Hartford (Town)]. https://collections.library.yale.edu/catalog/11175853.