APA (7th ed.) Zitazioa
Hofstadter, R., & Wallace, M. (1970). American violence: A documentary history. Vintage.
Chicago Style (17th ed.) Zitazioa
Hofstadter, Richard, eta Michael Wallace. American Violence: A Documentary History. New York: Vintage, 1970.
MLA (9th ed.) Zitazioa
Hofstadter, Richard, eta Michael Wallace. American Violence: A Documentary History. Vintage, 1970.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.