"My Own Cousin Taddy" (M 317)
MLA
Boswell, James, 1740-1795. "My Own Cousin Taddy" (M 317). Box 59, folder 1251. n.d.. https://collections.library.yale.edu/catalog/32501323.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 59, folder 1251"])(n.d.)["My Own Cousin Taddy" (M 317)]. https://collections.library.yale.edu/catalog/32501323.