Cite

Music for piano

MLA

Koch, Frederick R. (Frederick Robinson). Music for piano. Box 5, folder 118. 1834. https://collections.library.yale.edu/catalog/11546913.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 5, folder 118"])(1834)[Music for piano]. https://collections.library.yale.edu/catalog/11546913.