Julian, Percy L., Dr.
MLA
Hughes, Langston, 1902-1967. Julian, Percy L., Dr.. Box 469, folder 11552. n.d.. https://collections.library.yale.edu/catalog/33549009.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 469, folder 11552"])(n.d.)[Julian, Percy L., Dr.]. https://collections.library.yale.edu/catalog/33549009.