MLA

Stieglitz, Alfred, 1864-1946. Broom. Box 8, folder 184. 1922-23. https://collections.library.yale.edu/catalog/11237290.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 8, folder 184"])(1922-23)[Broom]. https://collections.library.yale.edu/catalog/11237290.