MLA

Marsh, Othniel Charles, 1831-1899. Schickler Brothers. Box 29, folder 1216. 1864. https://collections.library.yale.edu/catalog/32566714.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 29, folder 1216"])(1864)[Schickler Brothers]. https://collections.library.yale.edu/catalog/32566714.