APA

Toynbee A. J., Somervell D. C. & Royal Institute of International Affairs. (19471957). A study of history. New York: Oxford University Press.

Chicago

Toynbee Arnold Joseph, Somervell D C and Royal Institute of International Affairs. 19471957. A study of history. New York: Oxford University Press.

Harvard

Toynbee A. J., Somervell D. C. and Royal Institute of International Affairs. (19471957). A study of history. New York: Oxford University Press.

MLA

Toynbee Arnold Joseph, Somervell D C and Royal Institute of International Affairs. A study of history. New York: Oxford University Press. 19471957.