MLA

August Schmelzer Company (Meriden, Connecticut). Children's Pavilion, Gaylord Farm Sanitarium. Wallingford, Connecticut. box 1, folder 14. circa 1900-1979. https://collections.library.yale.edu/catalog/15789504.

APA, 6th edition

August Schmelzer Company (Meriden, Connecticut). (["box 1, folder 14"])(circa 1900-1979)[Children's Pavilion, Gaylord Farm Sanitarium. Wallingford, Connecticut]. https://collections.library.yale.edu/catalog/15789504.