Cite

Beck, Otto Walter

MLA

Stieglitz, Alfred, 1864-1946. Beck, Otto Walter. Box 4, folder 95. 1901-02. https://collections.library.yale.edu/catalog/17105616.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 4, folder 95"])(1901-02)[Beck, Otto Walter]. https://collections.library.yale.edu/catalog/17105616.