Philharmonic Choir, New York, World's Fair
MLA
Hughes, Langston, 1902-1967. Philharmonic Choir, New York, World's Fair. Box 22, folder 340. 1940. https://collections.library.yale.edu/catalog/16207113.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 22, folder 340"])(1940)[Philharmonic Choir, New York, World's Fair]. https://collections.library.yale.edu/catalog/16207113.