MLA

Jones, James, 1921-1977. Untitled holographs. Box 25, folder 254-56. n.d.. https://collections.library.yale.edu/catalog/17063358.

APA, 6th edition

Jones, James, 1921-1977. (["Box 25, folder 254-56"])(n.d.)[Untitled holographs]. https://collections.library.yale.edu/catalog/17063358.