MLA

Stieglitz, Alfred, 1864-1946. [On Florine Stettheimer (eulogy?)], typescript, corrected, with typescript carbons and manuscript notes. Box 100, folder 2107. [1944?]. https://collections.library.yale.edu/catalog/17105670.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 100, folder 2107"])([1944?])[[On Florine Stettheimer (eulogy?)], typescript, corrected, with typescript carbons and manuscript notes]. https://collections.library.yale.edu/catalog/17105670.