Cite

Untitled [Hilly landscape with stamps]

MLA

Steinberg, Saul, 1914-1999. Untitled [Hilly landscape with stamps]. Box 452, folder 6227. undated. https://collections.library.yale.edu/catalog/16851435.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 452, folder 6227"])(undated)[Untitled [Hilly landscape with stamps]]. https://collections.library.yale.edu/catalog/16851435.