APA Style
Ellen, Roy. (1989).
Environment, Subsistence and System .
Cambridge:
Cambridge University Press.
Chicago Style
Ellen, Roy.
Environment, Subsistence and System.
Cambridge:
Cambridge University Press,
1989.
Text.
MLA Style
Ellen, Roy.
Environment, Subsistence and System.
Cambridge:
Cambridge University Press,
1989.
Text.
Turabian Style
Ellen, Roy.
Environment, Subsistence and System.
Cambridge:
Cambridge University Press,
1989.
Print.