Kapitel III: draft, holograph, corrected
MLA
Cassirer, Ernst, 1874-1945. Kapitel III: draft, holograph, corrected. Box 34, folder 660. 1941. https://collections.library.yale.edu/catalog/17274607.
APA, 6th edition
Cassirer, Ernst, 1874-1945. (["Box 34, folder 660"])(1941)[Kapitel III: draft, holograph, corrected]. https://collections.library.yale.edu/catalog/17274607.