MLA

Hughes, Langston, 1902-1967. Newport Jazz Festival. Box 250, folder 4053. 1959-65. https://collections.library.yale.edu/catalog/17394771.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 250, folder 4053"])(1959-65)[Newport Jazz Festival]. https://collections.library.yale.edu/catalog/17394771.