Letter
MLA
Stieglitz, Alfred, 1864-1946. Letter. Box 94, folder 1847. 1944 Nov 11. https://collections.library.yale.edu/catalog/2044264.
APA, 6th edition
Stieglitz, Alfred, 1864-1946. (["Box 94, folder 1847"])(1944 Nov 11)[Letter]. https://collections.library.yale.edu/catalog/2044264.