Hutton, J. (1972). Theory of the earth: With proofs and illustrations. H. T. Engelmann (J. Cramer) and Weldon & Wesley.
Cita Chicago (17th ed.)Hutton, James. Theory of the Earth: With Proofs and Illustrations. Weinheim: H. T. Engelmann (J. Cramer) and Weldon & Wesley, 1972.
Cita MLA (9th ed.)Hutton, James. Theory of the Earth: With Proofs and Illustrations. H. T. Engelmann (J. Cramer) and Weldon & Wesley, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.