"Lines supposed to be written by Mrs. Piozzi" (M 310)
MLA
Boswell, James, 1740-1795. "Lines supposed to be written by Mrs. Piozzi" (M 310). Box 59, folder 1249. 1786. https://collections.library.yale.edu/catalog/32498468.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 59, folder 1249"])(1786)["Lines supposed to be written by Mrs. Piozzi" (M 310)]. https://collections.library.yale.edu/catalog/32498468.