Lecture notes
MLA
Hughes, Langston, 1902-1967. Lecture notes. Box 513, folder 12754. 1949. https://collections.library.yale.edu/catalog/17034195.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 513, folder 12754"])(1949)[Lecture notes]. https://collections.library.yale.edu/catalog/17034195.