Cite

Untitled [Blue clothbound sketchbook]

MLA

Steinberg, Saul, 1914-1999. Untitled [Blue clothbound sketchbook]. Box 353, folder 4802. circa 1959. https://collections.library.yale.edu/catalog/2016707.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 353, folder 4802"])(circa 1959)[Untitled [Blue clothbound sketchbook]]. https://collections.library.yale.edu/catalog/2016707.