Cite

Music/Trio, piano, strings, no. 1, op. 18, F major

MLA

Koch, Frederick R. (Frederick Robinson). Music/Trio, piano, strings, no. 1, op. 18, F major. Box 194, folder 1536. 1864 Oct. https://collections.library.yale.edu/catalog/10596540.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 194, folder 1536"])(1864 Oct)[Music/Trio, piano, strings, no. 1, op. 18, F major]. https://collections.library.yale.edu/catalog/10596540.