MLA

Hawthorne, Nathaniel, 1804-1864. Unidentified. Box 1, folder 5. 1851 Nov 23. https://collections.library.yale.edu/catalog/2064520.

APA, 6th edition

Hawthorne, Nathaniel, 1804-1864. (["Box 1, folder 5"])(1851 Nov 23)[Unidentified]. https://collections.library.yale.edu/catalog/2064520.