APA Style
Hay, Robert K.M., Walker, Andrew J.. (1989).
An Introduction To The Physiology Of Crop Yield .
:
Longman Scientific & Technical.
Chicago Style
Hay, Robert K.M., Walker, Andrew J..
An Introduction To The Physiology Of Crop Yield.
:
Longman Scientific & Technical,
1989.
Text.
MLA Style
Hay, Robert K.M., Walker, Andrew J..
An Introduction To The Physiology Of Crop Yield.
:
Longman Scientific & Technical,
1989.
Text.
Turabian Style
Hay, Robert K.M., Walker, Andrew J..
An Introduction To The Physiology Of Crop Yield.
:
Longman Scientific & Technical,
1989.
Print.