Cite

The Pentagon and the Press, Columbia W. Journal [watercolor and charcoal illustration]

MLA

Osborn, Robert Chesley, 1904-. The Pentagon and the Press, Columbia W. Journal [watercolor and charcoal illustration]. Undated. https://collections.library.yale.edu/catalog/2004433.

APA, 6th edition

Osborn, Robert Chesley, 1904-. (Undated)[The Pentagon and the Press, Columbia W. Journal [watercolor and charcoal illustration]]. https://collections.library.yale.edu/catalog/2004433.