Cita APA (7a ed.)
Sumberg, J., & Atta-Krah, A. (1988). The potential of alley farming in humid West Africa - a re-evaluation. Springer.
Cita Chicago Style (17a ed.)
Sumberg, J.E, y A.N Atta-Krah. The Potential of Alley Farming in Humid West Africa - a Re-evaluation. Springer, 1988.
Cita MLA (9a ed.)
Sumberg, J.E, y A.N Atta-Krah. The Potential of Alley Farming in Humid West Africa - a Re-evaluation. Springer, 1988.
Precaución: Estas citas no son 100% exactas.