APA Style
Simmonds, N.W.. (1979).
Principles of Crop Improvement .
:
Longman Group Limited.
Chicago Style
Simmonds, N.W..
Principles of Crop Improvement.
:
Longman Group Limited,
1979.
Text.
MLA Style
Simmonds, N.W..
Principles of Crop Improvement.
:
Longman Group Limited,
1979.
Text.
Turabian Style
Simmonds, N.W..
Principles of Crop Improvement.
:
Longman Group Limited,
1979.
Print.