Cita APA (7a ed.)
Robert A. Helliwell. (2006). Whistlers and Related Ionospheric Phenomena. Dover Publications.
Cita Chicago Style (17a ed.)
Robert A. Helliwell. Whistlers and Related Ionospheric Phenomena. New York: Dover Publications, 2006.
Cita MLA (9a ed.)
Robert A. Helliwell. Whistlers and Related Ionospheric Phenomena. Dover Publications, 2006.
Precaución: Estas citas no son 100% exactas.