MLA

Southern Review (Organization). Radford, Manson. Box 5. 1936-1938, undated. https://collections.library.yale.edu/catalog/15484009.

APA, 6th edition

Southern Review (Organization). (["Box 5"])(1936-1938, undated)[Radford, Manson]. https://collections.library.yale.edu/catalog/15484009.