APA (7th ed.) Citation

Georg, R., Halliday, A., Schauble, E., & Reynolds, B. (2007). Isotopic evidence for silicon within the Earth's core.

Chicago Style (17th ed.) Citation

Georg, R., A. Halliday, E. Schauble, and B. Reynolds. Isotopic Evidence for Silicon Within the Earth's Core. 2007.

MLA (9th ed.) Citation

Georg, R., et al. Isotopic Evidence for Silicon Within the Earth's Core. 2007.