12 million black voices; a folk history of the Negro in the United States. Text by Richard Wright, photo-direction by Edwin Rosskam.
MLA
Rosskam, Edwin, 1903-, Wright, Richard, 1908-1960. 12 million black voices; a folk history of the Negro in the United States. Text by Richard Wright, photo-direction by Edwin Rosskam.. 1941. https://collections.library.yale.edu/catalog/11035151.
APA, 6th edition
Rosskam, Edwin, 1903-, & Wright, Richard, 1908-1960. (1941)[12 million black voices; a folk history of the Negro in the United States. Text by Richard Wright, photo-direction by Edwin Rosskam.]. https://collections.library.yale.edu/catalog/11035151.