Cita APA (7a ed.)
Sperling, L., Agriculture, I. C. f. T., Services, C. R., Katungi, E., Vision, W., CARE, . . . Nations, F. a. A. O. o. t. U. (2009). Seed system security assessment: Zimbabwe. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Sperling, L., et al. Seed System Security Assessment: Zimbabwe. International Center for Tropical Agriculture, 2009.
Cita MLA (9a ed.)
Sperling, L., et al. Seed System Security Assessment: Zimbabwe. International Center for Tropical Agriculture, 2009.
Precaución: Estas citas no son 100% exactas.