Cita APA (7a ed.)

Slotkin, R. (1992). Gunfighter nation: The myth of the frontier in twentieth-century America. Atheneum [u.a.].

Cita Chicago Style (17a ed.)

Slotkin, Richard. Gunfighter Nation: The Myth of the Frontier in Twentieth-century America. New York, NY: Atheneum [u.a.], 1992.

Cita MLA (8a ed.)

Slotkin, Richard. Gunfighter Nation: The Myth of the Frontier in Twentieth-century America. Atheneum [u.a.], 1992.