APA Style
Heacox, Kim. (2009).
An American idea : the making of the national parks .
Washington:
National Geographic Society,.
Chicago Style
Heacox, Kim.
An American idea : the making of the national parks.
Washington:
National Geographic Society,,
2009.
Text.
MLA Style
Heacox, Kim.
An American idea : the making of the national parks.
Washington:
National Geographic Society,,
2009.
Text.
Turabian Style
Heacox, Kim.
An American idea : the making of the national parks.
Washington:
National Geographic Society,,
2009.
Print.