"Journal of my Jaunt to London" (J 19)
MLA
Boswell, James, 1740-1795. "Journal of my Jaunt to London" (J 19). Box 39, folder 954. 1769 Sep-Oct. https://collections.library.yale.edu/catalog/32501237.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 39, folder 954"])(1769 Sep-Oct)["Journal of my Jaunt to London" (J 19)]. https://collections.library.yale.edu/catalog/32501237.