Rafferty, J. P., & Leonard, M. (2013). Learn about the rock cycle, the process by which Earth's surface and crust constantly evolve. Encyclopedia Britannica.
Chicago Style (17th ed.) CitationRafferty, John P., and Melinda Leonard. Learn About the Rock Cycle, the Process by Which Earth's Surface and Crust Constantly Evolve. Chicago, IL: Encyclopedia Britannica, 2013.
MLA (9th ed.) CitationRafferty, John P., and Melinda Leonard. Learn About the Rock Cycle, the Process by Which Earth's Surface and Crust Constantly Evolve. Encyclopedia Britannica, 2013.
Warning: These citations may not always be 100% accurate.