Cite

Shepard, Carlos

MLA

Marsh, Othniel Charles, 1831-1899. Shepard, Carlos. Box 29, folder 1240. undated. https://collections.library.yale.edu/catalog/32566927.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 29, folder 1240"])(undated)[Shepard, Carlos]. https://collections.library.yale.edu/catalog/32566927.