Richards, M. D. (2004). Revolutions in world history. Routledge.
Cita Chicago Style (17a ed.)Richards, Michael D. Revolutions in World History. New York: Routledge, 2004.
Cita MLA (8a ed.)Richards, Michael D. Revolutions in World History. Routledge, 2004.
Precaución: Estas citas no son 100% exactas.