APA citiranje
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 citiranje
Lyell, Charles, and M. J. S. Rudwick. Principles of Geology. University of Chicago Press, 1991.
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