Cite

Clark, Fred A.

MLA

Marsh, Othniel Charles, 1831-1899. Clark, Fred A.. Box 7, folder 255. 1876. https://collections.library.yale.edu/catalog/32555088.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 7, folder 255"])(1876)[Clark, Fred A.]. https://collections.library.yale.edu/catalog/32555088.