MLA

Wharton, Edith, 1862-1937. "One Day": holograph manuscript, corrected. Box 17, folder 531. n.d.. https://collections.library.yale.edu/catalog/32182275.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 17, folder 531"])(n.d.)["One Day": holograph manuscript, corrected]. https://collections.library.yale.edu/catalog/32182275.