Cita APA (7a ed.)
Ellul, J. (1981). Perspectives on our age. The Seabury Press.
Cita Chicago Style (17a ed.)
Ellul, Jacques. Perspectives on Our Age. New York: The Seabury Press, 1981.
Cita MLA (9a ed.)
Ellul, Jacques. Perspectives on Our Age. The Seabury Press, 1981.
Precaución: Estas citas no son 100% exactas.