MLA

Map, Sanborn, and issuing body Publishing Co. Branford, New Haven Co., Conn. 1889. https://collections.library.yale.edu/catalog/11040283.

APA, 6th edition

Map, S., & Publishing Co., issuing body. (1889). Branford, New Haven Co., Conn. [Annotations (Provenance), Atlases, Branford, Cadastral maps, Connecticut, CtY-BR, Fire insurance maps, local, rbprov]. https://collections.library.yale.edu/catalog/11040283.