Brackett, S.G. 1881
MLA
Marsh, Othniel Charles, 1831-1899. Brackett, S.G. 1881. Box 4, folder 141. 1881. https://collections.library.yale.edu/catalog/32553741.
APA, 6th edition
Marsh, Othniel Charles, 1831-1899. (["Box 4, folder 141"])(1881)[Brackett, S.G. 1881]. https://collections.library.yale.edu/catalog/32553741.