Cita APA

Okali, C., & Sumberg, J. E. (1986). Examining divergent strategies in farming systems research. Gran Bretaña: Elsevier.

Citación estilo Chicago

Okali, C., and J. E. Sumberg. Examining Divergent Strategies in Farming Systems Research. Gran Bretaña: Elsevier, 1986.

Cita MLA

Okali, C., and J. E. Sumberg. Examining Divergent Strategies in Farming Systems Research. Gran Bretaña: Elsevier, 1986.