Panofsky, Erwin
MLA
Wolff, Helen, 1906-1994. Panofsky, Erwin. Box 32, folder 991-993. 1951-65, n.d.. https://collections.library.yale.edu/catalog/31907561.
APA, 6th edition
Wolff, Helen, 1906-1994. (["Box 32, folder 991-993"])(1951-65, n.d.)[Panofsky, Erwin]. https://collections.library.yale.edu/catalog/31907561.