Laing, David (C 1677.5)
MLA
Boswell, James, 1740-1795. Laing, David (C 1677.5). Box 25, folder 602. 1820. https://collections.library.yale.edu/catalog/2038894.
APA, 6th edition
Boswell, James, 1740-1795. (["Box 25, folder 602"])(1820)[Laing, David (C 1677.5)]. https://collections.library.yale.edu/catalog/2038894.