Printed ephemera
MLA
Hughes, Langston, 1902-1967. Printed ephemera. Box 582, folder 13865. 1966. https://collections.library.yale.edu/catalog/17034226.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 582, folder 13865"])(1966)[Printed ephemera]. https://collections.library.yale.edu/catalog/17034226.