Toynbee ,Arnold Joseph, 1. -., & Tr by. (1976). Mankind and mother earth: A narrative history of the World. O.U.P.
Cita Chicago (17th ed.)Toynbee ,Arnold Joseph, 1889 -, i Tr by. Mankind and Mother Earth: A Narrative History of the World. London: O.U.P, 1976.
Cita MLA (9th ed.)Toynbee ,Arnold Joseph, 1889 -, i Tr by. Mankind and Mother Earth: A Narrative History of the World. O.U.P, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.