Cite

Ergo Possum

MLA

Steinberg, Saul, 1914-1999. Ergo Possum. Box 462, folder 6414. circa 1975. https://collections.library.yale.edu/catalog/16851508.

APA, 6th edition

Steinberg, Saul, 1914-1999. (["Box 462, folder 6414"])(circa 1975)[Ergo Possum]. https://collections.library.yale.edu/catalog/16851508.