Welch, Ethel F.
MLA
Hughes, Langston, 1902-1967. Welch, Ethel F.. Box 168, folder 3086. 1928-58, n.d.. https://collections.library.yale.edu/catalog/32186521.
APA, 6th edition
Hughes, Langston, 1902-1967. (["Box 168, folder 3086"])(1928-58, n.d.)[Welch, Ethel F.]. https://collections.library.yale.edu/catalog/32186521.