Cite

Ritchie, Thomas P.

MLA

Marsh, Othniel Charles, 1831-1899. Ritchie, Thomas P.. Box 28, folder 1159. 1871. https://collections.library.yale.edu/catalog/32566200.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 28, folder 1159"])(1871)[Ritchie, Thomas P.]. https://collections.library.yale.edu/catalog/32566200.