Cite

2 LS (in another hand), to John Smith, Jr.; Edinburgh

MLA

Wilson, John, 1785-1854. 2 LS (in another hand), to John Smith, Jr.; Edinburgh. Box 1, folder 2. 1812 Feb, n.d.. https://collections.library.yale.edu/catalog/2066817.

APA, 6th edition

Wilson, John, 1785-1854. (["Box 1, folder 2"])(1812 Feb, n.d.)[2 LS (in another hand), to John Smith, Jr.; Edinburgh]. https://collections.library.yale.edu/catalog/2066817.