Toynbee, A. J. (1967). Between Maule and Amazon. Oxford.
Cita Chicago (17th ed.)Toynbee, Arnold J. Between Maule and Amazon. London: Oxford, 1967.
Cita MLA (9th ed.)Toynbee, Arnold J. Between Maule and Amazon. Oxford, 1967.
Atenció: Aquestes cites poden no estar 100% correctes.