1847
MLA
Marsh, Othniel Charles, 1831-1899. 1847. Box 48, folder 3. 1847. https://collections.library.yale.edu/catalog/32571808.
APA, 6th edition
Marsh, Othniel Charles, 1831-1899. (["Box 48, folder 3"])(1847)[1847]. https://collections.library.yale.edu/catalog/32571808.