APA (7th ed.) Citation

Holme, R., Olsen, N., & Bairstow, F. L. (2011). Mapping geomagnetic secular variation at the core-mantle boundary. Geophysical Journal International, 186(2), 521.

Chicago Style (17th ed.) Citation

Holme, R., N. Olsen, and F. L. Bairstow. "Mapping Geomagnetic Secular Variation at the Core-mantle Boundary." Geophysical Journal International 186, no. 2 (2011): 521.

MLA (9th ed.) Citation

Holme, R., et al. "Mapping Geomagnetic Secular Variation at the Core-mantle Boundary." Geophysical Journal International, vol. 186, no. 2, 2011, p. 521.