Cita APA (7a ed.)
Douglas, J. E. (1983). The CIAT Seed Unit: Achievements and expectations. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Douglas, Johnson E. The CIAT Seed Unit: Achievements and Expectations. International Center for Tropical Agriculture, 1983.
Cita MLA (9a ed.)
Douglas, Johnson E. The CIAT Seed Unit: Achievements and Expectations. International Center for Tropical Agriculture, 1983.
Precaución: Estas citas no son 100% exactas.