Cita APA (7a ed.)
Atta-Krah, A., & Francis, P. (1987). The role of on-farm trials in the evaluation of composite technologies: The case of alley farming in southern Nigeria. Elsevier.
Cita Chicago Style (17a ed.)
Atta-Krah, A.N, y P.A Francis. The Role of On-farm Trials in the Evaluation of Composite Technologies: The Case of Alley Farming in Southern Nigeria. Elsevier, 1987.
Cita MLA (9a ed.)
Atta-Krah, A.N, y P.A Francis. The Role of On-farm Trials in the Evaluation of Composite Technologies: The Case of Alley Farming in Southern Nigeria. Elsevier, 1987.
Precaución: Estas citas no son 100% exactas.