Toynbee, A. J., & Somervell, D. C. (1957). A study of history. Oxford University Press.
Cita Chicago Style (17a ed.)Toynbee, Arnold Joseph, y D. C. Somervell. A Study of History. London [etc.]: Oxford University Press, 1957.
Cita MLA (9a ed.)Toynbee, Arnold Joseph, y D. C. Somervell. A Study of History. Oxford University Press, 1957.
Precaución: Estas citas no son 100% exactas.