APA (7th ed.) Citation

Abbott, C., Leonard, S. J., & McComb, D. G. (1994). Colorado, a history of the Centennial State (3rd ed.). University Press of Colorado.

Chicago Style (17th ed.) Citation

Abbott, Carl, Stephen J. Leonard, and David G. McComb. Colorado, a History of the Centennial State. 3rd ed. Niwot, Colo.: University Press of Colorado, 1994.

MLA (9th ed.) Citation

Abbott, Carl, et al. Colorado, a History of the Centennial State. 3rd ed. University Press of Colorado, 1994.