APA (7th ed.) Citation

Kellar, K. C. (1972). Seth Bullock: Frontier marshal. North Plains Press.

Chicago Style (17th ed.) Citation

Kellar, Kenneth C. Seth Bullock: Frontier Marshal. Aberdeen, S.D.: North Plains Press, 1972.

MLA (9th ed.) Citation

Kellar, Kenneth C. Seth Bullock: Frontier Marshal. North Plains Press, 1972.