Felch, M.P.
MLA
Marsh, Othniel Charles, 1831-1899. Felch, M.P.. Box 10, folder 444. 1884 May - June. https://collections.library.yale.edu/catalog/32557125.
APA, 6th edition
Marsh, Othniel Charles, 1831-1899. (["Box 10, folder 444"])(1884 May - June)[Felch, M.P.]. https://collections.library.yale.edu/catalog/32557125.