APA (7th ed.) Zitazioa

Brecht, A. (1959). Political theory: The foundations of twentieth-century political thought. Princeton University.

Chicago Style (17th ed.) Zitazioa

Brecht, Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton: Princeton University, 1959.

MLA (9th ed.) Zitazioa

Brecht, Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton University, 1959.