MLA

Edwards, Dwight W. (Dwight Woodbridge), 1883-1967. Unidentified. 12, folder 143. 1943, n.d.. https://collections.library.yale.edu/catalog/33325978.

APA, 6th edition

Edwards, Dwight W. (Dwight Woodbridge), 1883-1967. (["12, folder 143"])(1943, n.d.)[Unidentified]. https://collections.library.yale.edu/catalog/33325978.