Cite

Music/Le fifre enchanté: no. 2

MLA

Koch, Frederick R. (Frederick Robinson). Music/Le fifre enchanté: no. 2. Box 329, folder 1832. n.d.. https://collections.library.yale.edu/catalog/2018739.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 329, folder 1832"])(n.d.)[Music/Le fifre enchanté: no. 2]. https://collections.library.yale.edu/catalog/2018739.