MLA

Benét, Stephen Vincent, 1898-1943. Stephen Daye Press. Box 26, folder 1116. 1933 November 15. https://collections.library.yale.edu/catalog/17425149.

APA, 6th edition

Benét, Stephen Vincent, 1898-1943. (["Box 26, folder 1116"])(1933 November 15)[Stephen Daye Press]. https://collections.library.yale.edu/catalog/17425149.