MLA

Johnson, James Weldon, 1871-1938. Anti-Lynching Crusaders. Box 26, folder 7. 1922-23. https://collections.library.yale.edu/catalog/32186821.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 26, folder 7"])(1922-23)[Anti-Lynching Crusaders]. https://collections.library.yale.edu/catalog/32186821.