MLA

Thayer, Scofield, 1889-1982. DePollier, Dorothy Elise. Box 30, folder 802. [1925?]. https://collections.library.yale.edu/catalog/17142310.

APA, 6th edition

Thayer, Scofield, 1889-1982. (["Box 30, folder 802"])([1925?])[DePollier, Dorothy Elise]. https://collections.library.yale.edu/catalog/17142310.