"A diary of Mexican adventures (if there be any)"
MLA
Hughes, Langston, 1902-1967. "A diary of Mexican adventures (if there be any)". Box 492, folder 12432. 1920. https://collections.library.yale.edu/catalog/17034190.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 492, folder 12432"])(1920)["A diary of Mexican adventures (if there be any)"]. https://collections.library.yale.edu/catalog/17034190.