Cita APA (7a ed.)

MacGrath, R. D. (1987). Gunfighters, highwaymen & vigilantes: Violence on the frontier (1. paperback printing.). Univ. of California Press.

Cita Chicago Style (17a ed.)

MacGrath, Roger D. Gunfighters, Highwaymen & Vigilantes: Violence on the Frontier. 1. paperback printing. Berkeley, Calif. [u.a.]: Univ. of California Press, 1987.

Cita MLA (9a ed.)

MacGrath, Roger D. Gunfighters, Highwaymen & Vigilantes: Violence on the Frontier. 1. paperback printing. Univ. of California Press, 1987.