Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Zitierstil

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.

Chicago Zitierstil

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, 2007.

MLA Zitierstil

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, 2007.