Cite

Penfield, Edward W.

MLA

Marsh, Othniel Charles, 1831-1899. Penfield, Edward W.. Box 25, folder 1048. 1893. https://collections.library.yale.edu/catalog/32564937.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 25, folder 1048"])(1893)[Penfield, Edward W.]. https://collections.library.yale.edu/catalog/32564937.