MLA

Sanborn Map Company, issuing body. Wethersfield, Hartford County Connecticut. Sanborn Map Co., Limited, 0AD. https://collections.library.yale.edu/catalog/11679490.

APA, 6th edition

Sanborn Map Company, issuing body. (0 C.E.). Wethersfield, Hartford County Connecticut [Maps, Atlases, Cadastral maps, Fire insurance maps]. Sanborn Map Co., Limited. https://collections.library.yale.edu/catalog/11679490.