Cita APA (7th ed.)

Piper, J. A. (1987). Palaeomagnetism and the continental crust. sity pr.; New York: Halsted Pr..

Cita Chicago (17th ed.)

Piper, J.D. A. Palaeomagnetism and the Continental Crust. Milton Keynes: Open Univer-: sity pr.; New York: Halsted Pr., 1987.

Cita MLA (9th ed.)

Piper, J.D. A. Palaeomagnetism and the Continental Crust. sity pr.; New York: Halsted Pr., 1987.

Atenció: Aquestes cites poden no estar 100% correctes.