Cita APA (7a ed.)
Tilman, D., Balzer, C., Hill, J., & Befort, B. (2011). Global food demand and the sustainable intensification of agriculture. National Academy of Sciences.
Cita Chicago Style (17a ed.)
Tilman, D., C. Balzer, J. Hill, y BL Befort. Global Food Demand and the Sustainable Intensification of Agriculture. National Academy of Sciences, 2011.
Cita MLA (9a ed.)
Tilman, D., et al. Global Food Demand and the Sustainable Intensification of Agriculture. National Academy of Sciences, 2011.
Precaución: Estas citas no son 100% exactas.