Cite

Untitled [Beige spiral-bound "Strathmore" sketchbook]

MLA

Steinberg, Saul, 1914-1999. Untitled [Beige spiral-bound "Strathmore" sketchbook]. Box 427, folder 5821. undated. https://collections.library.yale.edu/catalog/2016833.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 427, folder 5821"])(undated)[Untitled [Beige spiral-bound "Strathmore" sketchbook]]. https://collections.library.yale.edu/catalog/2016833.