Frakes, L. A., Francis, J. E., & Syktus, J. I. (1992). Climate modes of the phanerozoic: The history of the earth's climate over the past 600 million years. Cambridge, Mass.: Cambridge University Press.
Chicago Style CitationFrakes, Lawrence A., Jane E. Francis, and Josef I. Syktus. Climate Modes of the Phanerozoic: The History of the Earth's Climate Over the Past 600 Million Years. Cambridge, Mass.: Cambridge University Press, 1992.
MLA CitationFrakes, Lawrence A., Jane E. Francis, and Josef I. Syktus. Climate Modes of the Phanerozoic: The History of the Earth's Climate Over the Past 600 Million Years. Cambridge, Mass.: Cambridge University Press, 1992.
Warning: These citations may not always be 100% accurate.