Cita APA (7a ed.)
Alston, J. M., Wyatt, T. J., Pardey, P. G., Marra, M. C., & Chan-Kang, C. (2000). A meta-analysis of rates of return to agricultural R & D: Ex pede Herculem? International Food Policy Research Institute.
Cita Chicago Style (17a ed.)
Alston, Julian M., T. J. Wyatt, Philip G. Pardey, Michele C. Marra, y Connie Chan-Kang. A Meta-analysis of Rates of Return to Agricultural R & D: Ex Pede Herculem? International Food Policy Research Institute, 2000.
Cita MLA (9a ed.)
Alston, Julian M., et al. A Meta-analysis of Rates of Return to Agricultural R & D: Ex Pede Herculem? International Food Policy Research Institute, 2000.
Precaución: Estas citas no son 100% exactas.