MLA

Hawthorne, Nathaniel, 1804-1864. Hawthorne, Una. Box 2, folder 58. n.d.. https://collections.library.yale.edu/catalog/2064573.

APA, 6th edition

Hawthorne, Nathaniel, 1804-1864. (["Box 2, folder 58"])(n.d.)[Hawthorne, Una]. https://collections.library.yale.edu/catalog/2064573.