MLA

Thurman, Wallace, 1902-1934. Clippings, re: Wallace Thurman. Box 3, folder 60. 1935-35, n.d.. https://collections.library.yale.edu/catalog/2046906.

APA, 6th edition

Thurman, Wallace, 1902-1934. (["Box 3, folder 60"])(1935-35, n.d.)[Clippings, re: Wallace Thurman]. https://collections.library.yale.edu/catalog/2046906.