APA (7th ed.) Citation

Gutiérrez-Marco, J. C., Ghienne, J., Bernárdez, E., & Hacar, M. P. (2010). Did the Late Ordovician African ice sheet reach Europe? Geology, 38(3), 279.

Chicago Style (17th ed.) Citation

Gutiérrez-Marco, J. C., Jean-François Ghienne, Enrique Bernárdez, and M. P. Hacar. "Did the Late Ordovician African Ice Sheet Reach Europe?" Geology 38, no. 3 (2010): 279.

MLA (9th ed.) Citation

Gutiérrez-Marco, J. C., et al. "Did the Late Ordovician African Ice Sheet Reach Europe?" Geology, vol. 38, no. 3, 2010, p. 279.