MLA

Hitchcock, Samuel J. (Samuel Johnson), 1786-1845. 1818-1820. Box 1, folder 5. 1762-1845. https://collections.library.yale.edu/catalog/32538166.

APA, 6th edition

Hitchcock, Samuel J. (Samuel Johnson), 1786-1845. (["Box 1, folder 5"])(1762-1845)[1818-1820]. https://collections.library.yale.edu/catalog/32538166.