Cite

Script, "Master copy," typescript (copy)

MLA

Knott, Frederick (1916-2002). Script, "Master copy," typescript (copy). Box 4, folder 27. undated. https://collections.library.yale.edu/catalog/17329954.

APA, 6th edition

Knott, Frederick (1916-2002). (["Box 4, folder 27"])(undated)[Script, "Master copy," typescript (copy)]. https://collections.library.yale.edu/catalog/17329954.