APA (7th ed.) Citation

Barker, S. E. (1967). Greek political theory: Plato and his predecessors. Methuen.

Chicago Style (17th ed.) Citation

Barker, Sir Ernest. Greek Political Theory: Plato and His Predecessors. London: Methuen, 1967.

MLA (9th ed.) Citation

Barker, Sir Ernest. Greek Political Theory: Plato and His Predecessors. Methuen, 1967.