Cita APA (7a ed.)
Kassie, M., Pender, J., Yesuf, M., Kohlin, G., Bulffstone, R., & Mulugeta, E. (2008). Estimating returns to soil conservation adoption in the northern Ethiopian highlands. Wiley.
Cita Chicago Style (17a ed.)
Kassie, M., J.L Pender, M. Yesuf, G. Kohlin, R. Bulffstone, y E. Mulugeta. Estimating Returns to Soil Conservation Adoption in the Northern Ethiopian Highlands. Wiley, 2008.
Cita MLA (9a ed.)
Kassie, M., et al. Estimating Returns to Soil Conservation Adoption in the Northern Ethiopian Highlands. Wiley, 2008.
Precaución: Estas citas no son 100% exactas.