Cite

ALS to John Smith, Jr.; Oxford

MLA

Wilson, John, 1785-1854. ALS to John Smith, Jr.; Oxford. Box 1, folder 15. 1812 Feb 11. https://collections.library.yale.edu/catalog/2066842.

APA, 6th edition

Wilson, John, 1785-1854. (["Box 1, folder 15"])(1812 Feb 11)[ALS to John Smith, Jr.; Oxford]. https://collections.library.yale.edu/catalog/2066842.