Cita APA (7th ed.)
Toynbee, A. (1957). A study of history. Oxford university press.
Cita Chicago (17th ed.)
Toynbee, Arnold. A Study of History. New York: Oxford university press, 1957.
Cita MLA (9th ed.)
Toynbee, Arnold. A Study of History. Oxford university press, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.