APA (7th ed.) Citation
Lyell, C., & Rudwick, M. J. S. (1991). Principles of geology. University of Chicago Press.
Chicago Style (17th ed.) Citation
Lyell, Charles, and M. J. S. Rudwick. Principles of Geology. Chicago: University of Chicago Press, 1991.
MLA (9th ed.) Citation
Lyell, Charles, and M. J. S. Rudwick. Principles of Geology. University of Chicago Press, 1991.
Warning: These citations may not always be 100% accurate.