APA Style
Grigg, D.B.. (1974).
The Agricultural Systems of the World: An Evolutionary Approach (First Edition).
Cambridge:
Cambridge University Press.
Chicago Style
Grigg, D.B..
The Agricultural Systems of the World: An Evolutionary Approach.
First Edition
Cambridge:
Cambridge University Press,
1974.
Print.
MLA Style
Grigg, D.B..
The Agricultural Systems of the World: An Evolutionary Approach.
First Edition
Cambridge:
Cambridge University Press,
1974.
Print.
Turabian Style
Grigg, D.B..
The Agricultural Systems of the World: An Evolutionary Approach.
First Edition
Cambridge:
Cambridge University Press,
1974.
Print.