MLA

Geldzahler, Henry, 1935-1994. "Determining Aesthetic Values in Art": 27 pages legal size xerox of manuscript with editor's emendations in pencil; 25 pages handwritten notes for above. Box 1, folder 1. circa 1945-1996. https://collections.library.yale.edu/catalog/32292486.

APA, 6th edition

Geldzahler, Henry, 1935-1994. (["Box 1, folder 1"])(circa 1945-1996)["Determining Aesthetic Values in Art": 27 pages legal size xerox of manuscript with editor's emendations in pencil; 25 pages handwritten notes for above]. https://collections.library.yale.edu/catalog/32292486.