Cite

Music/Concerto militaire: Andante

MLA

Koch, Frederick R. (Frederick Robinson). Music/Concerto militaire: Andante. Box 328, folder 1827. n.d.. https://collections.library.yale.edu/catalog/2018738.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 328, folder 1827"])(n.d.)[Music/Concerto militaire: Andante]. https://collections.library.yale.edu/catalog/2018738.