APA (7th ed.) Citation

Stone, W. F. (1918). History of Colorado. S. J. Clarke.

Chicago Style (17th ed.) Citation

Stone, Wilbur Fiske. History of Colorado. Chicago: S. J. Clarke, 1918.

MLA (9th ed.) Citation

Stone, Wilbur Fiske. History of Colorado. S. J. Clarke, 1918.