APA način citiranja

Barker, S. E. (1970). Greek political theory: Plato and his predecessors. Methuen & Co..

Čikaški stil citiranja

Barker, Sir Ernest. Greek Political Theory: Plato and His Predecessors. Methuen & Co., 1970.

MLA način citiranja

Barker, Sir Ernest. Greek Political Theory: Plato and His Predecessors. Methuen & Co., 1970.