Citazione Stile APA (7a Edizione)

Barker, E. (1959). The political thought of Plato and Aristotle. Dover Publications.

Citazione stile Chigago Style (17a edizione)

Barker, Ernest. The Political Thought of Plato and Aristotle. New York: Dover Publications, 1959.

Citatione MLA (9a ed.)

Barker, Ernest. The Political Thought of Plato and Aristotle. Dover Publications, 1959.