APA (7th ed.) Zitazioa
Anton, J. P. Aristotle's Theory of Contrariety. Routledge.
Chicago Style (17th ed.) Zitazioa
Anton, John Peter. Aristotle's Theory of Contrariety. Londres, Inglaterra: Routledge.
MLA (9th ed.) Zitazioa
Anton, John Peter. Aristotle's Theory of Contrariety. Routledge.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.