Cite

A history of New England...: Manuscript drafts of volume 2 (incomplete)

MLA

Backus, Isaac, 1724-1806. A history of New England...: Manuscript drafts of volume 2 (incomplete). Box 4, folder 5. Undated. https://collections.library.yale.edu/catalog/33530759.

APA, 6th edition

Backus, Isaac, 1724-1806. (["Box 4, folder 5"])(Undated)[A history of New England...: Manuscript drafts of volume 2 (incomplete)]. https://collections.library.yale.edu/catalog/33530759.