Cita APA

Toynbee, A. J. (1934). A study of history. Royal Institute of International Affairs.

Chicago Style Citation

Toynbee, Arnold J. A Study of History. Royal Institute of International Affairs, 1934.

Cita MLA

Toynbee, Arnold J. A Study of History. Royal Institute of International Affairs, 1934.

Atenció: Aquestes cites poden no estar 100% correctes.