MLA

Wharton, Edith, 1862-1937. Summary, typescript. Box 8, folder 220. n.d.. https://collections.library.yale.edu/catalog/12273645.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 8, folder 220"])(n.d.)[Summary, typescript]. https://collections.library.yale.edu/catalog/12273645.