APA-Zitierstil (7. Ausg.)

Barker, A. V. (2021). Science and technology of organic farming (second edition.). CRC Press.

Chicago-Zitierstil (17. Ausg.)

Barker, Allen V. Science and Technology of Organic Farming. second edition. Boca Raton, Fla. [u.a.]: CRC Press, 2021.

MLA-Zitierstil (9. Ausg.)

Barker, Allen V. Science and Technology of Organic Farming. second edition. CRC Press, 2021.