APA (7th ed.) Citation

Barker, E. (1960). Greek political theory: Plato and his predecessors (5th ed.). Methven.

Chicago Style (17th ed.) Citation

Barker, Ernest. Greek Political Theory: Plato and His Predecessors. 5th ed. London: Methven, 1960.

MLA (8th ed.) Citation

Barker, Ernest. Greek Political Theory: Plato and His Predecessors. 5th ed. Methven, 1960.