Cita APA

Hornborg, A., & Crumley, C. L. (2007). The world system and the Earth system: Global socioenvironmental change and sustainability since the Neolithic. Walnut Creek, CA: Left Coast Press, Inc..

Citación estilo Chicago

Hornborg, Alf., and Carole L. Crumley. The World System and the Earth System: Global Socioenvironmental Change and Sustainability Since the Neolithic. Walnut Creek, CA: Left Coast Press, Inc., 2007.

Cita MLA

Hornborg, Alf., and Carole L. Crumley. The World System and the Earth System: Global Socioenvironmental Change and Sustainability Since the Neolithic. Walnut Creek, CA: Left Coast Press, Inc., 2007.