Cite

Music/La fleur

MLA

Koch, Frederick R. (Frederick Robinson). Music/La fleur. Box 320, folder 1709. 1887 Apr 12. https://collections.library.yale.edu/catalog/10613297.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 320, folder 1709"])(1887 Apr 12)[Music/La fleur]. https://collections.library.yale.edu/catalog/10613297.