Shields, C. (2012). Ancient Philosophy: A contemporary introduction (2nd ed.). Routledge.
Cita Chicago (17th ed.)Shields, Christopher. Ancient Philosophy: A Contemporary Introduction. 2nd ed. New York: Routledge, 2012.
Cita MLA (9th ed.)Shields, Christopher. Ancient Philosophy: A Contemporary Introduction. 2nd ed. Routledge, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.