Juvenilia: copies (C 1606)
MLA
Boswell, James, 1740-1795. Juvenilia: copies (C 1606). Box 25, folder 587. n.d.. https://collections.library.yale.edu/catalog/2038880.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 25, folder 587"])(n.d.)[Juvenilia: copies (C 1606)]. https://collections.library.yale.edu/catalog/2038880.