APA Style
Simmonds, N. W.. (1979).
Principles of crop improvement .
New York:
Longman.
Chicago Style
Simmonds, N. W..
Principles of crop improvement.
New York:
Longman,
1979.
Text.
MLA Style
Simmonds, N. W..
Principles of crop improvement.
New York:
Longman,
1979.
Text.
Turabian Style
Simmonds, N. W..
Principles of crop improvement.
New York:
Longman,
1979.
Print.