Felch, M.P.
MLA
Marsh, Othniel Charles, 1831-1899. Felch, M.P.. Box 11, folder 459. 18891-1892. https://collections.library.yale.edu/catalog/32557421.
APA, 6th edition
Marsh, Othniel Charles, 1831-1899. (["Box 11, folder 459"])(18891-1892)[Felch, M.P.]. https://collections.library.yale.edu/catalog/32557421.