Cite

[Untitled, possibly exhibition poster from 291 street signboard], ink and watercolor on paper

MLA

Stieglitz, Alfred, 1864-1946. [Untitled, possibly exhibition poster from 291 street signboard], ink and watercolor on paper. Box 159, folder 2921. [1907]. https://collections.library.yale.edu/catalog/2002428.

APA, 6th edition

Stieglitz, Alfred, 1864-1946. (["Box 159, folder 2921"])([1907])[[Untitled, possibly exhibition poster from 291 street signboard], ink and watercolor on paper]. https://collections.library.yale.edu/catalog/2002428.