Παραπομπή APA

Brackus, G., & Parker, R. C. (1996). Foundations of geomagnetism. Cambridge University Press.

Παραπομπή Chicago Style

Brackus, George, και Robert Constable Parker. Foundations of Geomagnetism. Cambridge: Cambridge University Press, 1996.

Παραπομπή MLA

Brackus, George, και Robert Constable Parker. Foundations of Geomagnetism. Cambridge University Press, 1996.