AMSAC Festival, Nigeria: invitations and program
MLA
Hughes, Langston, 1902-1967. AMSAC Festival, Nigeria: invitations and program. Box 483, folder 12205. 1961 Dec. https://collections.library.yale.edu/catalog/17034181.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 483, folder 12205"])(1961 Dec)[AMSAC Festival, Nigeria: invitations and program]. https://collections.library.yale.edu/catalog/17034181.