Music/Rispetti, op. 11
MLA
Koch, Frederick R. (Frederick Robinson). Music/Rispetti, op. 11. Box 343, folder 2026. n.d.. https://collections.library.yale.edu/catalog/2043671.
APA, 6th edition
Koch, Frederick R. (Frederick Robinson). (["Box 343, folder 2026"])(n.d.)[Music/Rispetti, op. 11]. https://collections.library.yale.edu/catalog/2043671.