APA (7th ed.) Citation

Merrill, R. T. c. 2. J., & McElhinny, M. W. (1983). The earth's magnetic field: Its history, origin and planetary perspective. Acad. Press.

Chicago Style (17th ed.) Citation

Merrill, Ronald T. ca. 20./21. Jh, and M. W. McElhinny. The Earth's Magnetic Field: Its History, Origin and Planetary Perspective. London [u.a.]: Acad. Press, 1983.

MLA (9th ed.) Citation

Merrill, Ronald T. ca. 20./21. Jh, and M. W. McElhinny. The Earth's Magnetic Field: Its History, Origin and Planetary Perspective. Acad. Press, 1983.

Warning: These citations may not always be 100% accurate.