MLA

Freeman, Walter, 1895-1972. 1261. Fifth Avenue. 3, folder 103. 1915. https://collections.library.yale.edu/catalog/10010987.

APA, 6th edition

Freeman, Walter, 1895-1972. (["3, folder 103"])(1915)[1261. Fifth Avenue]. https://collections.library.yale.edu/catalog/10010987.