APA Style
Wrigley, Gordon. (1981).
Tropical Agriculture .
New York:
longman.
Chicago Style
Wrigley, Gordon.
Tropical Agriculture.
New York:
longman,
1981.
Text.
MLA Style
Wrigley, Gordon.
Tropical Agriculture.
New York:
longman,
1981.
Text.
Turabian Style
Wrigley, Gordon.
Tropical Agriculture.
New York:
longman,
1981.
Print.