MLA

Johnson, James Weldon, 1871-1938. Course outline and bibliography, holograph, typescript and typescript carbon. Box 81, folder 590. undated. https://collections.library.yale.edu/catalog/17397040.

APA, 6th edition

Johnson, James Weldon, 1871-1938. (["Box 81, folder 590"])(undated)[Course outline and bibliography, holograph, typescript and typescript carbon]. https://collections.library.yale.edu/catalog/17397040.