Cite

Warren, Robert Penn

MLA

Warren, Robert Penn, 1905-1989. Warren, Robert Penn. Box 1 | Folder 30. 1940, undated. https://collections.library.yale.edu/catalog/17104164.

APA, 6th edition

Warren, Robert Penn, 1905-1989. (["Box 1 | Folder 30"])(1940, undated)[Warren, Robert Penn]. https://collections.library.yale.edu/catalog/17104164.