Unger, Norman
MLA
Wilder, Thornton, 1897-1975. Unger, Norman. Box 60, folder 1656. 1963-67, n.d.. https://collections.library.yale.edu/catalog/17056661.
APA, 6th edition
Wilder, Thornton, 1897-1975. (["Box 60, folder 1656"])(1963-67, n.d.)[Unger, Norman]. https://collections.library.yale.edu/catalog/17056661.