Cita APA (7a ed.)
Francis, C., Álvarez Luna, E., Sarria Villano, D., Pinstrup-Andersen, P., & Pradilla, A. (1972). Yields and acceptability of opaque-2 maize in the tropics of Colombia. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Francis, C.A, E. Álvarez Luna, D. Sarria Villano, Per Pinstrup-Andersen, y A. Pradilla. Yields and Acceptability of Opaque-2 Maize in the Tropics of Colombia. International Center for Tropical Agriculture, 1972.
Cita MLA (9a ed.)
Francis, C.A, et al. Yields and Acceptability of Opaque-2 Maize in the Tropics of Colombia. International Center for Tropical Agriculture, 1972.
Precaución: Estas citas no son 100% exactas.