Citazione Stile APA (7a Edizione)

Barker, A. V. (2021). Science and technology of organic farming (Second edition.). CRC Press, an imprint of the Taylor & Francis Group, LLC.

Citazione stile Chigago Style (17a edizione)

Barker, Allen V. Science and Technology of Organic Farming. Second edition. Boca Raton, FL: CRC Press, an imprint of the Taylor & Francis Group, LLC, 2021.

Citatione MLA (9a ed.)

Barker, Allen V. Science and Technology of Organic Farming. Second edition. CRC Press, an imprint of the Taylor & Francis Group, LLC, 2021.