Dyfyniad APA
Van Allen, J. A. (2004). Origins of magnetospheric physics (An expanded ed.). University of Iowa Press.
Dyfyniad Arddull Chicago
Van Allen, James A. Origins of Magnetospheric Physics. An expanded ed. Iowa City: University of Iowa Press, 2004.
Dyfyniad MLA
Van Allen, James A. Origins of Magnetospheric Physics. An expanded ed. University of Iowa Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.