APA-Zitierstil (7. Ausg.)

Wallis, J. A. N. (1997). Intensified systems of farming in the tropics and subtropics (1. printing.). World Bank.

Chicago-Zitierstil (17. Ausg.)

Wallis, J. A. Nicholas. Intensified Systems of Farming in the Tropics and Subtropics. 1. printing. Washington, D. C: World Bank, 1997.

MLA-Zitierstil (9. Ausg.)

Wallis, J. A. Nicholas. Intensified Systems of Farming in the Tropics and Subtropics. 1. printing. World Bank, 1997.