Cita APA (7a ed.)

Wilbur, J. B., & Allen, H. J. (1979). The worlds of the early Greek philosophers. Prometheus Books.

Cita Chicago Style (17a ed.)

Wilbur, James B., y Harold J. Allen. The Worlds of the Early Greek Philosophers. Buffalo, N.Y.: Prometheus Books, 1979.

Cita MLA (9a ed.)

Wilbur, James B., y Harold J. Allen. The Worlds of the Early Greek Philosophers. Prometheus Books, 1979.