APA (7th ed.) Citation

McCormick, M., Dutton, P. E., & Mayewski, P. A. (2007). Volcanoes and the Climate Forcing of Carolingian Europe, A.D. 750-950. Speculum, 82(4), 865.

Chicago Style (17th ed.) Citation

McCormick, Michael, Paul Edward Dutton, and Paul A. Mayewski. "Volcanoes and the Climate Forcing of Carolingian Europe, A.D. 750-950." Speculum 82, no. 4 (2007): 865.

MLA (9th ed.) Citation

McCormick, Michael, et al. "Volcanoes and the Climate Forcing of Carolingian Europe, A.D. 750-950." Speculum, vol. 82, no. 4, 2007, p. 865.