Cita APA (7a ed.)

Barker, E. (1925). Greek political theory: Plato and his predecessors (2nd. ed.). Methuen.

Cita Chicago Style (17a ed.)

Barker, Ernest. Greek Political Theory: Plato and His Predecessors. 2nd. ed. London: Methuen, 1925.

Cita MLA (9a ed.)

Barker, Ernest. Greek Political Theory: Plato and His Predecessors. 2nd. ed. Methuen, 1925.