Cite

Music/Après le jour

MLA

Koch, Frederick R. (Frederick Robinson). Music/Après le jour. Box 163, folder 1505. n.d.. https://collections.library.yale.edu/catalog/12227296.

APA, 6th edition

Koch, Frederick R. (Frederick Robinson). (["Box 163, folder 1505"])(n.d.)[Music/Après le jour]. https://collections.library.yale.edu/catalog/12227296.