Cita APA

Pretty, J. N., Toulmin, C., & Williams, S. B. (2011). Sustainable intensification: Increasing productiivty in African food and agricultural systems. London, UK: Earthscan.

Citación estilo Chicago

Pretty, Jules N., Camilla Toulmin, and Stella B. Williams. Sustainable Intensification: Increasing Productiivty in African Food and Agricultural Systems. London, UK: Earthscan, 2011.

Cita MLA

Pretty, Jules N., Camilla Toulmin, and Stella B. Williams. Sustainable Intensification: Increasing Productiivty in African Food and Agricultural Systems. London, UK: Earthscan, 2011.