APA
Celis R., John T. Milimo & Sudhir Wanmali. (1991). Adopting improved farm technology. Washington, D.C: International Food Policy Research Institute.
Chicago
Celis Rafael, John T. Milimo and Sudhir Wanmali. 1991. Adopting improved farm technology. Washington, D.C: International Food Policy Research Institute.
Harvard
Celis R., John T. Milimo and Sudhir Wanmali. (1991). Adopting improved farm technology. Washington, D.C: International Food Policy Research Institute.
MLA
Celis Rafael, John T. Milimo and Sudhir Wanmali. Adopting improved farm technology. Washington, D.C: International Food Policy Research Institute. 1991.