Cite

Postcard landscape

MLA

Steinberg, Saul, 1914-1999. Postcard landscape. Box 76, folder 1456. circa 1970s. https://collections.library.yale.edu/catalog/16855955.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 76, folder 1456"])(circa 1970s)[Postcard landscape]. https://collections.library.yale.edu/catalog/16855955.