APA (7th ed.) Citation

Bryan, T. S., & Pratt, D. (2008). The geysers of Yellowstone (Fourth edition.). University Press of Colorado.

Chicago Style (17th ed.) Citation

Bryan, T. Scott, and Daniel Pratt. The Geysers of Yellowstone. Fourth edition. Boulder, Colorado: University Press of Colorado, 2008.

MLA (9th ed.) Citation

Bryan, T. Scott, and Daniel Pratt. The Geysers of Yellowstone. Fourth edition. University Press of Colorado, 2008.