APA (7th ed.) Citation

Roberts, N. (1989). Agricultural extension in Africa. World Bank.

Chicago Style (17th ed.) Citation

Roberts, Nigel. Agricultural Extension in Africa. Washington, D.C.: World Bank, 1989.

MLA (9th ed.) Citation

Roberts, Nigel. Agricultural Extension in Africa. World Bank, 1989.

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