MLA

Wharton, Edith, 1862-1937. "Talk to American Soldiers" (Lecture at the Soldiers and Sailors Club), typescript. Box 19, folder 612. n.d.. https://collections.library.yale.edu/catalog/17111130.

APA, 6th edition

Wharton, Edith, 1862-1937. (["Box 19, folder 612"])(n.d.)["Talk to American Soldiers" (Lecture at the Soldiers and Sailors Club), typescript]. https://collections.library.yale.edu/catalog/17111130.