Cita APA (7th ed.)
Hallam, A. (1973). A Revolution in the Earth Sciences: From continental drift to plate tectonics. Clarendon.
Cita Chicago (17th ed.)
Hallam, Anthony. A Revolution in the Earth Sciences: From Continental Drift to Plate Tectonics. Oxford: Clarendon, 1973.
Cita MLA (9th ed.)
Hallam, Anthony. A Revolution in the Earth Sciences: From Continental Drift to Plate Tectonics. Clarendon, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.