Cita APA (7th ed.)
Blum, E. J. (2009). W.E.B. Du Bois, American prophet. University of Pennsylvania Press.
Cita Chicago (17th ed.)
Blum, Edward J. W.E.B. Du Bois, American Prophet. Philadelphia: University of Pennsylvania Press, 2009.
Cita MLA (9th ed.)
Blum, Edward J. W.E.B. Du Bois, American Prophet. University of Pennsylvania Press, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.