Perkins, M. (2017). Voltaire's concept of international order. Voltaire Foundation.
Cita Chicago (17th ed.)Perkins, M. Voltaire's Concept of International Order. Voltaire Foundation, 2017.
Cita MLA (9th ed.)Perkins, M. Voltaire's Concept of International Order. Voltaire Foundation, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.