Cite

Wilder, Isabel Wilder and friends at theater

MLA

Wilder, Thornton, 1897-1975. Wilder, Isabel Wilder and friends at theater. Box 151, folder 3636. [1957?]. https://collections.library.yale.edu/catalog/16587324.

APA, 6th edition

Wilder, Thornton, 1897-1975. (["Box 151, folder 3636"])([1957?])[Wilder, Isabel Wilder and friends at theater]. https://collections.library.yale.edu/catalog/16587324.