APA (7th ed.) Citation

Abbott, C., Leonard, S. J., & Noel, T. J. (2005). Colorado: A history of the centennial state (Fourth edition.). University Press of Colorado.

Chicago Style (17th ed.) Citation

Abbott, Carl, Stephen J. Leonard, and Thomas J. Noel. Colorado: A History of the Centennial State. Fourth edition. Boulder, Colorado: University Press of Colorado, 2005.

MLA (9th ed.) Citation

Abbott, Carl, et al. Colorado: A History of the Centennial State. Fourth edition. University Press of Colorado, 2005.