MLA

Johnson, James Weldon, 1871-1938. "Negro Silent Protest Parade. Committee," typescript carbon, signed and printed version. Box 85, folder 659. 1917 July 28. https://collections.library.yale.edu/catalog/16748066.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 85, folder 659"])(1917 July 28)["Negro Silent Protest Parade. Committee," typescript carbon, signed and printed version]. https://collections.library.yale.edu/catalog/16748066.