APA (7th ed.) Citation

Simmonds, N. W. (1985). Farming systems research: A review. World Bank.

Chicago Style (17th ed.) Citation

Simmonds, Norman W. Farming Systems Research: A Review. Washington, D.C.: World Bank, 1985.

MLA (9th ed.) Citation

Simmonds, Norman W. Farming Systems Research: A Review. World Bank, 1985.