MLA

Koch, Frederick R. (Frederick Robinson). Music/Sites auriculaires. Box 332, folder 1885. [1895-97]. https://collections.library.yale.edu/catalog/17341490.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 332, folder 1885"])([1895-97])[Music/Sites auriculaires]. https://collections.library.yale.edu/catalog/17341490.