"Parliament. An Epistle" (M 278)
MLA
Boswell, James, 1740-1795. "Parliament. An Epistle" (M 278). Box 58, folder 1239. 1764. https://collections.library.yale.edu/catalog/32501301.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 58, folder 1239"])(1764)["Parliament. An Epistle" (M 278)]. https://collections.library.yale.edu/catalog/32501301.