MLA

Marsh, Othniel Charles, 1831-1899. Linsly, Janet. Box 21, folder 842. 1877. https://collections.library.yale.edu/catalog/32562778.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 21, folder 842"])(1877)[Linsly, Janet]. https://collections.library.yale.edu/catalog/32562778.