Cite

Erkenne Dich Selbst!

MLA

Stieglitz, Alfred, 1864-1946. Erkenne Dich Selbst!. Box 120, folder 2434. 1884-1917. https://collections.library.yale.edu/catalog/32500382.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 120, folder 2434"])(1884-1917)[Erkenne Dich Selbst!]. https://collections.library.yale.edu/catalog/32500382.