MLA

Marsh, Othniel Charles, 1831-1899. Nolen, Andrew. Box 25, folder 1009. 1870. https://collections.library.yale.edu/catalog/32564580.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 25, folder 1009"])(1870)[Nolen, Andrew]. https://collections.library.yale.edu/catalog/32564580.