APA (7th ed.) Citation

Barker, A. V. (2010). Science and technology of organic farming. CRC Press.

Chicago Style (17th ed.) Citation

Barker, Allen V. Science and Technology of Organic Farming. Boca Raton, Fla. [u.a.]: CRC Press, 2010.

MLA (9th ed.) Citation

Barker, Allen V. Science and Technology of Organic Farming. CRC Press, 2010.