APA (7th ed.) Zitazioa
Gubbins, D., & Herrero-Bervera, E. (2007). Encyclopedia of Geomagnetism and Paleomagnetism. Springer Netherlands. https://doi.org/10.1007/978-1-4020-4423-6
Chicago Style (17th ed.) Zitazioa
Gubbins, David, eta Emilio Herrero-Bervera. Encyclopedia of Geomagnetism and Paleomagnetism. Dordrecht: Springer Netherlands, 2007. https://doi.org/10.1007/978-1-4020-4423-6.
MLA (9th ed.) Zitazioa
Gubbins, David, eta Emilio Herrero-Bervera. Encyclopedia of Geomagnetism and Paleomagnetism. Springer Netherlands, 2007. https://doi.org/10.1007/978-1-4020-4423-6.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.