MLA

Marsh, Othniel Charles, 1831-1899. Hamilton, James M.. Box 14, folder 584. 1896-1897. https://collections.library.yale.edu/catalog/32559206.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 14, folder 584"])(1896-1897)[Hamilton, James M.]. https://collections.library.yale.edu/catalog/32559206.