Cita APA

Toynbee, A. J. 1. (1939). The breakdowns of civilizations (First edition.). London: Oxford University Press.

Citación estilo Chicago

Toynbee, Arnold Joseph 1889-1975. The Breakdowns of Civilizations. First edition. London: Oxford University Press, 1939.

Cita MLA

Toynbee, Arnold Joseph 1889-1975. The Breakdowns of Civilizations. First edition. London: Oxford University Press, 1939.