Cita APA (7th ed.)

Marston, S. A., Knox, P. L., & Liverman, D. M. (2002). World regions in global context: Peoples, places, and environments. Prentice Hall.

Cita Chicago (17th ed.)

Marston, Sallie A., Paul L. Knox, i Diana M. Liverman. World Regions in Global Context: Peoples, Places, and Environments. Upper Saddle River, New Jersey: Prentice Hall, 2002.

Cita MLA (9th ed.)

Marston, Sallie A., et al. World Regions in Global Context: Peoples, Places, and Environments. Prentice Hall, 2002.