MLA

Hughes, Langston, 1902-1967. Babalola, Adeboye. Box 12, folder 246. 1954. https://collections.library.yale.edu/catalog/33412647.

APA, 6th edition

Hughes, Langston, 1902-1967. (["Box 12, folder 246"])(1954)[Babalola, Adeboye]. https://collections.library.yale.edu/catalog/33412647.