Cita APA

Gubbins, D., & Herrero-Bervera, E. (2007). Encyclopedia of geomagnetism and paleomagnetism. Springer.

Chicago Edition Citation

Gubbins, David, i Emilio Herrero-Bervera. Encyclopedia of Geomagnetism and Paleomagnetism. Netherlands: Springer, 2007.

Cita MLA

Gubbins, David, i Emilio Herrero-Bervera. Encyclopedia of Geomagnetism and Paleomagnetism. Springer, 2007.