MLA

Hawthorne, Nathaniel, 1804-1864. Melville, Herman. Box 2, folder 47. [1852?] Jul 17. https://collections.library.yale.edu/catalog/2064562.

APA, 6th edition

Hawthorne, Nathaniel, 1804-1864. (["Box 2, folder 47"])([1852?] Jul 17)[Melville, Herman]. https://collections.library.yale.edu/catalog/2064562.