APA Style
Penna, Anthony N.. (2015).
The Human Footprint: A global environmental history (2nd ed.).
West Sussex:
Wiley Blackwell/John Wiley & Sons.
Chicago Style
Penna, Anthony N..
The Human Footprint: A global environmental history.
2nd ed.
West Sussex:
Wiley Blackwell/John Wiley & Sons,
2015.
Text.
MLA Style
Penna, Anthony N..
The Human Footprint: A global environmental history.
2nd ed.
West Sussex:
Wiley Blackwell/John Wiley & Sons,
2015.
Text.
Turabian Style
Penna, Anthony N..
The Human Footprint: A global environmental history.
2nd ed.
West Sussex:
Wiley Blackwell/John Wiley & Sons,
2015.
Print.