Cite

Untitled [Modern architecture, abstract forms, and rubber stamps]

MLA

Steinberg, Saul, 1914-1999. Untitled [Modern architecture, abstract forms, and rubber stamps]. Box 420, folder 5666. undated. https://collections.library.yale.edu/catalog/16849957.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 420, folder 5666"])(undated)[Untitled [Modern architecture, abstract forms, and rubber stamps]]. https://collections.library.yale.edu/catalog/16849957.