APA Style
Unger,Paul W..et...al.. (1988).
Challenges in dryland agriculture: A Global perspective .
USA:
Bushland.
Chicago Style
Unger,Paul W..et...al..
Challenges in dryland agriculture: A Global perspective.
USA:
Bushland,
1988.
Texts.
MLA Style
Unger,Paul W..et...al..
Challenges in dryland agriculture: A Global perspective.
USA:
Bushland,
1988.
Texts.
Turabian Style
Unger,Paul W..et...al..
Challenges in dryland agriculture: A Global perspective.
USA:
Bushland,
1988.
Texts.