Cita APA (7th ed.)

Strathern, P. (1993). The silk and spice routes: Exploration by land. Belitha Pr..

Cita Chicago (17th ed.)

Strathern, Paul. The Silk and Spice Routes: Exploration by Land. London: Belitha Pr., 1993.

Cita MLA (9th ed.)

Strathern, Paul. The Silk and Spice Routes: Exploration by Land. Belitha Pr., 1993.