Cite

Music/Unidentified/Overture

MLA

Koch, Frederick R. (Frederick Robinson). Music/Unidentified/Overture. Box 330, folder 1854. n.d.. https://collections.library.yale.edu/catalog/12218978.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 330, folder 1854"])(n.d.)[Music/Unidentified/Overture]. https://collections.library.yale.edu/catalog/12218978.