Cite

Music/La fille aux cheveux de lin

MLA

Koch, Frederick R. (Frederick Robinson). Music/La fille aux cheveux de lin. Box 319, folder 1704. n.d.. https://collections.library.yale.edu/catalog/2031852.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 319, folder 1704"])(n.d.)[Music/La fille aux cheveux de lin]. https://collections.library.yale.edu/catalog/2031852.