Cite

Untitled [Brown spiral-bound "Omni" sketchbook]

MLA

Steinberg, Saul, 1914-1999. Untitled [Brown spiral-bound "Omni" sketchbook]. Box 347, folder 4747. undated. https://collections.library.yale.edu/catalog/16849375.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 347, folder 4747"])(undated)[Untitled [Brown spiral-bound "Omni" sketchbook]]. https://collections.library.yale.edu/catalog/16849375.