APA (7th ed.) Citation

Boyd, D. (1890). A history, Greeley and the Union Colony of Colorado. Greeley Tribune Press.

Chicago Style (17th ed.) Citation

Boyd, David. A History, Greeley and the Union Colony of Colorado. Greeley, Colo.: Greeley Tribune Press, 1890.

MLA (8th ed.) Citation

Boyd, David. A History, Greeley and the Union Colony of Colorado. Greeley Tribune Press, 1890.