Cita APA (7a ed.)

Toynbee, A. J. (1954). A study of history: 8, [Heroic ages. Contacts between civlizations in space]. Oxford University Press.

Cita Chicago Style (17a ed.)

Toynbee, Arnold Joseph. A Study of History: 8, [Heroic Ages. Contacts Between Civlizations in Space]. London ; New York ; Toronto: Oxford University Press, 1954.

Cita MLA (9a ed.)

Toynbee, Arnold Joseph. A Study of History: 8, [Heroic Ages. Contacts Between Civlizations in Space]. Oxford University Press, 1954.