Cita APA (7a ed.)
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.
Cita Chicago Style (17a ed.)
Ngoko, Z., K. Cardwell, W.F.O Marasas, M. Wingfield, R. Ndemah, y F. Schulthess. Biological and Physical Contraints on Maize Production in the Humid Forest and Western Highlands of Cameroon. Springer, 2002.
Cita MLA (9a ed.)
Ngoko, Z., et al. Biological and Physical Contraints on Maize Production in the Humid Forest and Western Highlands of Cameroon. Springer, 2002.
Precaución: Estas citas no son 100% exactas.