Hamback, Dr. S.
MLA
Marsh, Othniel Charles, 1831-1899. Hamback, Dr. S.. Box 14, folder 583. 1879. https://collections.library.yale.edu/catalog/32559202.
APA, 6th edition
Marsh, Othniel Charles, 1831-1899. (["Box 14, folder 583"])(1879)[Hamback, Dr. S.]. https://collections.library.yale.edu/catalog/32559202.