Cite

ALS to John Smith, Jr.; Oxford

MLA

Wilson, John, 1785-1854. ALS to John Smith, Jr.; Oxford. Box 1, folder 6. 1812 Feb 12. https://collections.library.yale.edu/catalog/2066830.

APA, 6th edition

Wilson, John, 1785-1854. (["Box 1, folder 6"])(1812 Feb 12)[ALS to John Smith, Jr.; Oxford]. https://collections.library.yale.edu/catalog/2066830.