MLA

Wharton, Edith, 1862-1937. War charities. Box 52, folder 1552-66. Dates 1910-37. https://collections.library.yale.edu/catalog/2042316.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 52, folder 1552-66"])(Dates 1910-37)[War charities]. https://collections.library.yale.edu/catalog/2042316.