Cite

Music/Symphony, no. 1

MLA

Koch, Frederick R. (Frederick Robinson). Music/Symphony, no. 1. Box 220, folder 1562. [1932-35]. https://collections.library.yale.edu/catalog/2077426.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 220, folder 1562"])([1932-35])[Music/Symphony, no. 1]. https://collections.library.yale.edu/catalog/2077426.