MLA

Sanborn Map Company, issuing body. Glastonbury, Hartford County, Connecticut. 1928. https://collections.library.yale.edu/catalog/11122885.

APA, 6th edition

Sanborn Map Company, issuing body. (1928). Glastonbury, Hartford County, Connecticut. [Atlases, Cadastral maps, Connecticut, Fire insurance maps, Glastonbury, local]. https://collections.library.yale.edu/catalog/11122885.