Cita APA (7a ed.)
Nkonya, E. M., Schroeder, T., & Norman, D. (1997). Factors affecting adoption of improved maize seed and fertiliser in northern Tanzania. Wiley.
Cita Chicago Style (17a ed.)
Nkonya, Ephraim M., Ted Schroeder, y David Norman. Factors Affecting Adoption of Improved Maize Seed and Fertiliser in Northern Tanzania. Wiley, 1997.
Cita MLA (9a ed.)
Nkonya, Ephraim M., et al. Factors Affecting Adoption of Improved Maize Seed and Fertiliser in Northern Tanzania. Wiley, 1997.
Precaución: Estas citas no son 100% exactas.