Edward Stieglitz
MLA
Stieglitz, Alfred, 1864-1946. Edward Stieglitz. Box 130, folder 2519. ca. 1910. https://collections.library.yale.edu/catalog/2002558.
APA, 6th edition
Stieglitz, Alfred, 1864-1946. (["Box 130, folder 2519"])(ca. 1910)[Edward Stieglitz]. https://collections.library.yale.edu/catalog/2002558.