Outline for "musical version"
MLA
Hughes, Langston, 1902-1967. Outline for "musical version". Box 354, folder 5720. n.d.. https://collections.library.yale.edu/catalog/17034065.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 354, folder 5720"])(n.d.)[Outline for "musical version"]. https://collections.library.yale.edu/catalog/17034065.