MLA

Marsh, Othniel Charles, 1831-1899. Taylor, William. Box 32, folder 1363. 1887. https://collections.library.yale.edu/catalog/32568752.

APA, 6th edition

Marsh, Othniel Charles, 1831-1899. (["Box 32, folder 1363"])(1887)[Taylor, William]. https://collections.library.yale.edu/catalog/32568752.