Holograph manuscript
MLA
Wilder, Thornton, 1897-1975. Holograph manuscript. Box 119, folder 2675. n.d.. https://collections.library.yale.edu/catalog/17056683.
APA, 6th edition
Wilder, Thornton, 1897-1975. (["Box 119, folder 2675"])(n.d.)[Holograph manuscript]. https://collections.library.yale.edu/catalog/17056683.