APA (7th ed.) Zitazioa
Pollock, J. C. (1969). Crusades: 20 years with Billy Graham. World Wide Publications.
Chicago Style (17th ed.) Zitazioa
Pollock, John Charles. Crusades: 20 Years with Billy Graham. Minneapolis: World Wide Publications, 1969.
MLA (9th ed.) Zitazioa
Pollock, John Charles. Crusades: 20 Years with Billy Graham. World Wide Publications, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.