Cite

Music/Madrid, princesse des Espagnes

MLA

Koch, Frederick R. (Frederick Robinson). Music/Madrid, princesse des Espagnes. Box 320, folder 1706. [1880]. https://collections.library.yale.edu/catalog/12273648.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 320, folder 1706"])([1880])[Music/Madrid, princesse des Espagnes]. https://collections.library.yale.edu/catalog/12273648.