MLA

Boswell, James, 1740-1795. Title proofs and corrected sheet. Box 64, folder 1326. 1647-1918. https://collections.library.yale.edu/catalog/32501351.

APA, 6th edition

Boswell, James, 1740-1795. (["Box 64, folder 1326"])(1647-1918)[Title proofs and corrected sheet]. https://collections.library.yale.edu/catalog/32501351.