MLA

Lewis, Jon, 1938-2009. Di Giorgio Fruit Corporation Phony Election. Box 1, folder 8. 1966 June 24. https://collections.library.yale.edu/catalog/10186956.

APA, 6th edition

Lewis, Jon, 1938-2009. (["Box 1, folder 8"])(1966 June 24)[Di Giorgio Fruit Corporation Phony Election]. https://collections.library.yale.edu/catalog/10186956.