APA (7th ed.) Citation

Noel, T. J., & Smith, D. A. (1995). Colorado: The highest state. University Press of Colorado.

Chicago Style (17th ed.) Citation

Noel, Thomas J., and Duane A. Smith. Colorado: The Highest State. Niwot, CO: University Press of Colorado, 1995.

MLA (9th ed.) Citation

Noel, Thomas J., and Duane A. Smith. Colorado: The Highest State. University Press of Colorado, 1995.