MLA

Wharton, Edith, 1862-1937. Holograph manuscript. Box 16, folder 459-60. n.d.. https://collections.library.yale.edu/catalog/32181512.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 16, folder 459-60"])(n.d.)[Holograph manuscript]. https://collections.library.yale.edu/catalog/32181512.