MLA

Baker, Josephine, 1906-1975. Account of Josephine Baker's arrival in Paris in the 1920s: typescript, photocopy. Box 4, folder 163. n.d.. https://collections.library.yale.edu/catalog/16730648.

APA, 6th edition

Baker, Josephine, 1906-1975. (["Box 4, folder 163"])(n.d.)[Account of Josephine Baker's arrival in Paris in the 1920s: typescript, photocopy]. https://collections.library.yale.edu/catalog/16730648.