Cita APA (7a ed.)

Kelley, M. C., & Heelis, R. A. (1989). The Earth's ionosphere: Plasma physics and electrodynamics. Academic Press.

Cita Chicago Style (17a ed.)

Kelley, Michael C., y Rodney A. Heelis. The Earth's Ionosphere: Plasma Physics and Electrodynamics. San Diego [Calif.] [etc.]: Academic Press, 1989.

Cita MLA (9a ed.)

Kelley, Michael C., y Rodney A. Heelis. The Earth's Ionosphere: Plasma Physics and Electrodynamics. Academic Press, 1989.