Cita APA (7a ed.)

Hofstadter, R. (1971). American violence: A documentary history (2. print.). Knopf.

Cita Chicago Style (17a ed.)

Hofstadter, Richard. American Violence: A Documentary History. 2. print. New York: Knopf, 1971.

Cita MLA (8a ed.)

Hofstadter, Richard. American Violence: A Documentary History. 2. print. Knopf, 1971.