Cite

Untitled [Two postcards with farm worker stamps]

MLA

Steinberg, Saul, 1914-1999. Untitled [Two postcards with farm worker stamps]. Box 445, folder 6094. 1970. https://collections.library.yale.edu/catalog/33091989.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 445, folder 6094"])(1970)[Untitled [Two postcards with farm worker stamps]]. https://collections.library.yale.edu/catalog/33091989.