Memorandum at Southill (J 89.1)
MLA
Boswell, James, 1740-1795. Memorandum at Southill (J 89.1). Box 45, folder 1014. 1783 May. https://collections.library.yale.edu/catalog/32501256.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 45, folder 1014"])(1783 May)[Memorandum at Southill (J 89.1)]. https://collections.library.yale.edu/catalog/32501256.