MLA

Wright, Richard, 1908-1960. "Change the World" [open letter to Richard Wright], printed version, Daily Worker. Box 89, folder 1098. 1940 Sep 29. https://collections.library.yale.edu/catalog/10466726.

APA, 6th edition

Wright, Richard, 1908-1960. (["Box 89, folder 1098"])(1940 Sep 29)["Change the World" [open letter to Richard Wright], printed version, Daily Worker]. https://collections.library.yale.edu/catalog/10466726.