APA Style
Berle, Peter A. A.. (1991).
Nature Tourism .
Washington, DC:
Island Press.
Chicago Style
Berle, Peter A. A..
Nature Tourism.
Washington, DC:
Island Press,
1991.
Text.
MLA Style
Berle, Peter A. A..
Nature Tourism.
Washington, DC:
Island Press,
1991.
Text.
Turabian Style
Berle, Peter A. A..
Nature Tourism.
Washington, DC:
Island Press,
1991.
Print.