Boyd, H.W.
MLA
Marsh, Othniel Charles, 1831-1899. Boyd, H.W.. Box 4, folder 139. 1877-1878. https://collections.library.yale.edu/catalog/32553715.
APA, 6th edition
Marsh, Othniel Charles, 1831-1899. (["Box 4, folder 139"])(1877-1878)[Boyd, H.W.]. https://collections.library.yale.edu/catalog/32553715.