Cita APA (7a ed.)

Porter, R., & Teich, M. (1986). Revolution in history. Cambridge University Press.

Cita Chicago Style (17a ed.)

Porter, Roy, y Mikuláš Teich. Revolution in History. Cambridge ; New York: Cambridge University Press, 1986.

Cita MLA (8a ed.)

Porter, Roy, y Mikuláš Teich. Revolution in History. Cambridge University Press, 1986.