APA (7th ed.) Citation

Hafen, L. R., & Hafen, A. W. (1953). The Colorado story: A history of your state and mine. Old West Pub. Co..

Chicago Style (17th ed.) Citation

Hafen, LeRoy R., and Ann Woodbury Hafen. The Colorado Story: A History of Your State and Mine. Denver: Old West Pub. Co., 1953.

MLA (9th ed.) Citation

Hafen, LeRoy R., and Ann Woodbury Hafen. The Colorado Story: A History of Your State and Mine. Old West Pub. Co., 1953.