Shields, C. (2012). Ancient Philosophy: A contemporary introduction (2nd ed.). Routledge.
Citazione stile Chigago Style (17a edizione)Shields, Christopher. Ancient Philosophy: A Contemporary Introduction. 2nd ed. New York: Routledge, 2012.
Citatione MLA (9a ed.)Shields, Christopher. Ancient Philosophy: A Contemporary Introduction. 2nd ed. Routledge, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.