Hack, R. K. (1931). God in Greek philosophy to the time of Socrates. Princeton University Press for the University of Cincinnati.
Citazione stile Chigago Style (17a edizione)Hack, Roy Kenneth. God in Greek Philosophy to the Time of Socrates. Princeton: Princeton University Press for the University of Cincinnati, 1931.
Citatione MLA (9a ed.)Hack, Roy Kenneth. God in Greek Philosophy to the Time of Socrates. Princeton University Press for the University of Cincinnati, 1931.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.