APA Style
Ennis Jr., W.B.. (1979).
Introduction to crop protection .
Madison, Wisconsin:
Tehe American Society of Agronomy.
Chicago Style
Ennis Jr., W.B..
Introduction to crop protection.
Madison, Wisconsin:
Tehe American Society of Agronomy,
1979.
Text.
MLA Style
Ennis Jr., W.B..
Introduction to crop protection.
Madison, Wisconsin:
Tehe American Society of Agronomy,
1979.
Text.
Turabian Style
Ennis Jr., W.B..
Introduction to crop protection.
Madison, Wisconsin:
Tehe American Society of Agronomy,
1979.
Print.