Correspondence
MLA
Wolff, Kurt, 1887-1963. Correspondence. Box 5, folder 171-74. 1920-23. https://collections.library.yale.edu/catalog/2021323.
APA, 6th edition
Wolff, Kurt, 1887-1963. (["Box 5, folder 171-74"])(1920-23)[Correspondence]. https://collections.library.yale.edu/catalog/2021323.