MLA

Hawthorne, Nathaniel, 1804-1864. Snyder, Philip. Box 1, folder 3. 1862 Dep 7. https://collections.library.yale.edu/catalog/2064518.

APA, 6th edition

Hawthorne, Nathaniel, 1804-1864. (["Box 1, folder 3"])(1862 Dep 7)[Snyder, Philip]. https://collections.library.yale.edu/catalog/2064518.