APA (7th ed.) Zitazioa

Penn-Leiden Colloquium on Ancient Values University of Pennsylvania, ebrary, Inc, Sluiter, I., & Rosen, R. M. (2004). Free speech in classical antiquity. Brill.

Chicago Style (17th ed.) Zitazioa

Penn-Leiden Colloquium on Ancient Values University of Pennsylvania, Inc ebrary, I. Sluiter, eta Ralph Mark Rosen. Free Speech in Classical Antiquity. Leiden ; Boston: Brill, 2004.

MLA (9th ed.) Zitazioa

Penn-Leiden Colloquium on Ancient Values University of Pennsylvania, et al. Free Speech in Classical Antiquity. Brill, 2004.