MLA

Wharton, Edith, 1862-1937. Honorary Yale degree. Box 50, folder 1519-20. 1923. https://collections.library.yale.edu/catalog/9999062.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 50, folder 1519-20"])(1923)[Honorary Yale degree]. https://collections.library.yale.edu/catalog/9999062.