Cita APA (7th ed.)

Jacobs, J. A. (1994). Reversals of the Earth's magnetic field. Cambridge University Press.

Cita Chicago (17th ed.)

Jacobs, J. A. Reversals of the Earth's Magnetic Field. New York: Cambridge University Press, 1994.

Cita MLA (9th ed.)

Jacobs, J. A. Reversals of the Earth's Magnetic Field. Cambridge University Press, 1994.

Atenció: Aquestes cites poden no estar 100% correctes.