Littleboy, Rex
MLA
Cullen, Countee, 1903-1946. Littleboy, Rex. Box 2, folder 22. 1928. https://collections.library.yale.edu/catalog/16731068.
APA, 6th edition
Cullen, Countee, 1903-1946. (["Box 2, folder 22"])(1928)[Littleboy, Rex]. https://collections.library.yale.edu/catalog/16731068.