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

APA Citation Edition Citation

Beaumont, D. F. (2010). How the Earth’s Geology Determined Human History. University of Pennsylvania.

Chicago Citation Edition Citation

Beaumont, Donald F. How the Earth’s Geology Determined Human History. Philadelphia, PA: University of Pennsylvania, 2010.

MLA Citation Edition Citation

Beaumont, Donald F. How the Earth’s Geology Determined Human History. University of Pennsylvania, 2010.