Cite

Mann, Klaus

MLA

Williams, William Carlos, 1883-1963. Mann, Klaus. Box 14, folder 425. 1940-1943, undated. https://collections.library.yale.edu/catalog/17049505.

APA, 6th edition

Williams, William Carlos, 1883-1963. (["Box 14, folder 425"])(1940-1943, undated)[Mann, Klaus]. https://collections.library.yale.edu/catalog/17049505.