Cite

Untitled [Mock-up of New Yorker cover: View of roads from porch]

MLA

Steinberg, Saul, 1914-1999. Untitled [Mock-up of New Yorker cover: View of roads from porch]. Box 456, folder 6301. undated. https://collections.library.yale.edu/catalog/16849867.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 456, folder 6301"])(undated)[Untitled [Mock-up of New Yorker cover: View of roads from porch]]. https://collections.library.yale.edu/catalog/16849867.