Cita APA (7a ed.)
Pardey, P. G., Quigley, H., & Roseboom, J. (1992). Summary of Agricultural Research Policy: International Quantitative Perspectives. International Service for National Agricultural Research.
Cita Chicago Style (17a ed.)
Pardey, Philip G., Hugh Quigley, y Johannes Roseboom. Summary of Agricultural Research Policy: International Quantitative Perspectives. International Service for National Agricultural Research, 1992.
Cita MLA (9a ed.)
Pardey, Philip G., et al. Summary of Agricultural Research Policy: International Quantitative Perspectives. International Service for National Agricultural Research, 1992.
Precaución: Estas citas no son 100% exactas.