Cita APA (7a ed.)
Pardey, P. G., Alston, J. M., & Beintema, N. M. (2006). Agricultural R&D spending at a critical crossroads.
Cita Chicago Style (17a ed.)
Pardey, Philip G., Julian M. Alston, y Nienke M. Beintema. Agricultural R&D Spending at a Critical Crossroads. 2006.
Cita MLA (9a ed.)
Pardey, Philip G., et al. Agricultural R&D Spending at a Critical Crossroads. 2006.
Precaución: Estas citas no son 100% exactas.