Berlin, Hartford County, Connecticut.
MLA
Sanborn Map Company, issuing body. Berlin, Hartford County, Connecticut. 1927. https://collections.library.yale.edu/catalog/11034851.
APA, 6th edition
Sanborn Map Company, issuing body. (1927). Berlin, Hartford County, Connecticut. [Atlases, Berlin, Cadastral maps, Connecticut, Fire insurance maps, local]. https://collections.library.yale.edu/catalog/11034851.