Cite

Music/Arrangements/Debussy, Dances, piano

MLA

Koch, Frederick R. (Frederick Robinson). Music/Arrangements/Debussy, Dances, piano. Box 332, folder 1887. 1922 Dec. https://collections.library.yale.edu/catalog/15947416.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 332, folder 1887"])(1922 Dec)[Music/Arrangements/Debussy, Dances, piano]. https://collections.library.yale.edu/catalog/15947416.