MLA

Koch, Frederick R. (Frederick Robinson). Other Papers/Album. Box 196, folder 1538. 1822-64, n.d.. https://collections.library.yale.edu/catalog/2064382.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 196, folder 1538"])(1822-64, n.d.)[Other Papers/Album]. https://collections.library.yale.edu/catalog/2064382.