MLA

McKay, Claude, 1890-1948. "Harlem Shadows," typescript. Box 12, folder 367. n.d.. https://collections.library.yale.edu/catalog/32268816.

APA, 6th edition

McKay, Claude, 1890-1948. (["Box 12, folder 367"])(n.d.)["Harlem Shadows," typescript]. https://collections.library.yale.edu/catalog/32268816.