MLA

Lewis, Jon, 1938-2009. Di Giorgio Fruit Corporation Election. Box 2, folder 11. 1966 August 30. https://collections.library.yale.edu/catalog/10186958.

APA, 6th edition

Lewis, Jon, 1938-2009. (["Box 2, folder 11"])(1966 August 30)[Di Giorgio Fruit Corporation Election]. https://collections.library.yale.edu/catalog/10186958.