APA (7th ed.) Citation

Trafzer, C. E. (1980). Yuma: Frontier crossing of the far southwest. Western Heritage Books.

Chicago Style (17th ed.) Citation

Trafzer, Clifford E. Yuma: Frontier Crossing of the Far Southwest. Wichita: Western Heritage Books, 1980.

MLA (9th ed.) Citation

Trafzer, Clifford E. Yuma: Frontier Crossing of the Far Southwest. Western Heritage Books, 1980.