Cite

Thomson, James: Elegaic Song (C 2986.5)

MLA

Boswell, James, 1740-1795. Thomson, James: Elegaic Song (C 2986.5). Box 34, folder 871. 1822. https://collections.library.yale.edu/catalog/2039066.

APA, 6th edition

Boswell, James, 1740-1795. (["Box 34, folder 871"])(1822)[Thomson, James: Elegaic Song (C 2986.5)]. https://collections.library.yale.edu/catalog/2039066.