Schiappa, E. (2013). Protagoras and Logos: A Study in Greek Philosophy and Rhetoric (2nd ed.). University of South Carolina Press.
Chicago-Zitierstil (17. Ausg.)Schiappa, Edward. Protagoras and Logos: A Study in Greek Philosophy and Rhetoric. 2nd ed. Columbia: University of South Carolina Press, 2013.
MLA-Zitierstil (9. Ausg.)Schiappa, Edward. Protagoras and Logos: A Study in Greek Philosophy and Rhetoric. 2nd ed. University of South Carolina Press, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.