Correspondence
MLA
Wolff, Kurt, 1887-1963. Correspondence. Box 3, folder 80. 1914-22. https://collections.library.yale.edu/catalog/2021308.
APA, 6th edition
Wolff, Kurt, 1887-1963. (["Box 3, folder 80"])(1914-22)[Correspondence]. https://collections.library.yale.edu/catalog/2021308.