Cita APA

Merril, R. T., & Mcelhinny, M. W. (1983). Earth's magnetic field: Its history, origin and planetary perspective. Academic Press.

Chicago Edition Citation

Merril, Ronald T., i Michael W. Mcelhinny. Earth's Magnetic Field: Its History, Origin and Planetary Perspective. London: Academic Press, 1983.

Cita MLA

Merril, Ronald T., i Michael W. Mcelhinny. Earth's Magnetic Field: Its History, Origin and Planetary Perspective. Academic Press, 1983.