Johnson, Charles S.
MLA
Hughes, Langston, 1902-1967. Johnson, Charles S.. Box 469, folder 11542. n.d.. https://collections.library.yale.edu/catalog/33549057.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 469, folder 11542"])(n.d.)[Johnson, Charles S.]. https://collections.library.yale.edu/catalog/33549057.