Cita APA (7th ed.)

Thubron, C., & Navajas, C. (1989). The Silk Road: Beyond the celestial kingdom. Simon and Schuster.

Cita Chicago (17th ed.)

Thubron, Colin, i Carlos Navajas. The Silk Road: Beyond the Celestial Kingdom. New York: Simon and Schuster, 1989.

Cita MLA (9th ed.)

Thubron, Colin, i Carlos Navajas. The Silk Road: Beyond the Celestial Kingdom. Simon and Schuster, 1989.