"The Steerage"
MLA
Stieglitz, Alfred, 1864-1946. "The Steerage". Box 129, folder 2504. [1907]. https://collections.library.yale.edu/catalog/2000116.
APA, 6th edition
Stieglitz, Alfred, 1864-1946. (["Box 129, folder 2504"])([1907])["The Steerage"]. https://collections.library.yale.edu/catalog/2000116.