APA (7th ed.) Citation

Barker, E. (1960). Greek political theory: Plato and his predecessors. Mathuen.

Chicago Style (17th ed.) Citation

Barker, Ernest. Greek Political Theory: Plato and His Predecessors. London: Mathuen, 1960.

MLA (9th ed.) Citation

Barker, Ernest. Greek Political Theory: Plato and His Predecessors. Mathuen, 1960.