APA (7th ed.) Citation
Ngoko, Z., Cardwell, K., Marasas, W., Wingfield, M., Ndemah, R., & Schulthess, F. (2002). Biological and physical contraints on maize production in the Humid Forest and Western Highlands of Cameroon. Springer.
Chicago Style (17th ed.) Citation
Ngoko, Z., K. Cardwell, W.F.O Marasas, M. Wingfield, R. Ndemah, and F. Schulthess. Biological and Physical Contraints on Maize Production in the Humid Forest and Western Highlands of Cameroon. Springer, 2002.
MLA (9th ed.) Citation
Ngoko, Z., et al. Biological and Physical Contraints on Maize Production in the Humid Forest and Western Highlands of Cameroon. Springer, 2002.
Warning: These citations may not always be 100% accurate.