Cita APA

Campbell, W. . H. (1997). Introduction to geomagnetic fields. Cambridge University Press.

Chicago Edition Citation

Campbell, Wallace H. Introduction to Geomagnetic Fields. UK: Cambridge University Press, 1997.

Cita MLA

Campbell, Wallace H. Introduction to Geomagnetic Fields. Cambridge University Press, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.