Cite

Hasemann, Wilhelm;

MLA

Stieglitz, Alfred, 1864-1946. Hasemann, Wilhelm;. Box 23, folder 549. 1904. https://collections.library.yale.edu/catalog/32501011.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 23, folder 549"])(1904)[Hasemann, Wilhelm;]. https://collections.library.yale.edu/catalog/32501011.