Chain gang --Negro songs of protest
MLA
Gellert, Lawrence, 1898-1979. Chain gang --Negro songs of protest. Box 2 | Folder 32. [193-]. https://collections.library.yale.edu/catalog/10589608.
APA, 6th edition
Gellert, Lawrence, 1898-1979. (["Box 2 | Folder 32"])([193-])[Chain gang --Negro songs of protest]. https://collections.library.yale.edu/catalog/10589608.