APA (7th ed.) Zitazioa
Warren, M. E. Democracy and Association. Princeton University.
Chicago Style (17th ed.) Zitazioa
Warren, Mark E. Democracy and Association. Princeton, EUA: Princeton University.
MLA (9th ed.) Zitazioa
Warren, Mark E. Democracy and Association. Princeton University.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.