The human footprint : a global environmental history

MLA

Penna, Anthony N. The Human Footprint : a Global Environmental History. Malden, MA: Wiley-Blackwell, 2010.

APA

Penna, A. N. (2010). The human footprint : a global environmental history. Malden, MA: Wiley-Blackwell.

Chicago

Penna, Anthony N. The Human Footprint: A Global Environmental History. Malden, MA: Wiley-Blackwell, 2010.