APA Style
Richards, A. J.. (1986).
Plant breeding systems .
London:
George Allen & Unwim.
Chicago Style
Richards, A. J..
Plant breeding systems.
London:
George Allen & Unwim,
1986.
Text.
MLA Style
Richards, A. J..
Plant breeding systems.
London:
George Allen & Unwim,
1986.
Text.
Turabian Style
Richards, A. J..
Plant breeding systems.
London:
George Allen & Unwim,
1986.
Print.