APA (7th ed.) Citation

Wallis, J. N. (1997). Intensified system of farming in the tropics and Subtropics. The World Bank.

Chicago Style (17th ed.) Citation

Wallis, J.A. Nicholas. Intensified System of Farming in the Tropics and Subtropics. The World Bank, 1997.

MLA (8th ed.) Citation

Wallis, J.A. Nicholas. Intensified System of Farming in the Tropics and Subtropics. The World Bank, 1997.

Warning: These citations may not always be 100% accurate.