Cita APA

Pimentel, D., & Allen, J. (1987). World agriculture and soil erosion: Erosion threatens world food production.

Citación estilo Chicago

Pimentel, David, and J. Allen. World Agriculture and Soil Erosion: Erosion Threatens World Food Production. 1987.

Cita MLA

Pimentel, David, and J. Allen. World Agriculture and Soil Erosion: Erosion Threatens World Food Production. 1987.

Warning: These citations may not always be 100% accurate.