APA Style
Grigg, D.B.. (1982).
The Agricultural systems of the world : An Evolutionary approach .
London:
Cambridge University press.
Chicago Style
Grigg, D.B..
The Agricultural systems of the world : An Evolutionary approach.
London:
Cambridge University press,
1982.
Texts.
MLA Style
Grigg, D.B..
The Agricultural systems of the world : An Evolutionary approach.
London:
Cambridge University press,
1982.
Texts.
Turabian Style
Grigg, D.B..
The Agricultural systems of the world : An Evolutionary approach.
London:
Cambridge University press,
1982.
Texts.