MLA

Draper, Muriel, 1886-1952. Oberlin College script. Box 14, folder 471. 1937 Oct 12. https://collections.library.yale.edu/catalog/17126693.

APA, 6th edition

Draper, Muriel, 1886-1952. (["Box 14, folder 471"])(1937 Oct 12)[Oberlin College script]. https://collections.library.yale.edu/catalog/17126693.