MLA

Chris Color Cards (New Haven, Connecticut). Entrance to Sterling Hall of Medicine, Yale University. New Haven, Connecticut. box 1, folder 8. circa 1962-1970. https://collections.library.yale.edu/catalog/15789366.

APA, 6th edition

Chris Color Cards (New Haven, Connecticut). (["box 1, folder 8"])(circa 1962-1970)[Entrance to Sterling Hall of Medicine, Yale University. New Haven, Connecticut]. https://collections.library.yale.edu/catalog/15789366.