Cite

Song, mehcanical reproduction of holograph

MLA

Hughes, Langston, 1902-1967. Song, mehcanical reproduction of holograph. Box 390, folder 7265. n.d.. https://collections.library.yale.edu/catalog/17034108.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 390, folder 7265"])(n.d.)[Song, mehcanical reproduction of holograph]. https://collections.library.yale.edu/catalog/17034108.