Cite

Samuel Perkins: letter to Jonathan Williams, Jr.; Boston

MLA

Mason, William Smith, 1866-. Samuel Perkins: letter to Jonathan Williams, Jr.; Boston. Box 61 (Oversize), folder 2278. 1778 December 3-21. https://collections.library.yale.edu/catalog/33490219.

APA, 6th edition

Mason, William Smith, 1866-. (["Box 61 (Oversize), folder 2278"])(1778 December 3-21)[Samuel Perkins: letter to Jonathan Williams, Jr.; Boston]. https://collections.library.yale.edu/catalog/33490219.