MLA

Warren, Robert Penn, 1905-1989. "T.S. Stribling: A Paragraph in the History of Critical Realism" (outline, incomplete): typescript. Box 235, folder 4501. 1934. https://collections.library.yale.edu/catalog/17425270.

APA, 6th edition

Warren, Robert Penn, 1905-1989. (["Box 235, folder 4501"])(1934)["T.S. Stribling: A Paragraph in the History of Critical Realism" (outline, incomplete): typescript]. https://collections.library.yale.edu/catalog/17425270.