[Exhibition poster from 291 street signboard], crayon and ink on paper
MLA
Stieglitz, Alfred, 1864-1946. [Exhibition poster from 291 street signboard], crayon and ink on paper. Box 161, folder 2929. [1912]. https://collections.library.yale.edu/catalog/2003566.
APA, 6th edition
Stieglitz, Alfred, 1864-1946. (["Box 161, folder 2929"])([1912])[[Exhibition poster from 291 street signboard], crayon and ink on paper]. https://collections.library.yale.edu/catalog/2003566.