Wilbur, J. B., & Allen, H. J. (1979). The worlds of Plato: The worlds of Plato. Prometheus Books.
Cita Chicago (17th ed.)Wilbur, J. B., i Harold J. Allen. The Worlds of Plato: The Worlds of Plato. Buffalo, NY: Prometheus Books, 1979.
Cita MLA (9th ed.)Wilbur, J. B., i Harold J. Allen. The Worlds of Plato: The Worlds of Plato. Prometheus Books, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.