"Collection of Dubious Phrases" (M 72)
MLA
Boswell, James, 1740-1795. "Collection of Dubious Phrases" (M 72). Box 49, folder 1049. 1782. https://collections.library.yale.edu/catalog/32501271.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 49, folder 1049"])(1782)["Collection of Dubious Phrases" (M 72)]. https://collections.library.yale.edu/catalog/32501271.