APA (7th ed.) Citation
Douglas, J. E., Poey Diago, F. R., Robayo Vanoy, G., Arregocés, O., & Fernández de Soto, J. (1983). Essential elements for successful seed programs. International Center for Tropical Agriculture.
Chicago Style (17th ed.) Citation
Douglas, Johnson E., Federico Raúl Poey Diago, G. Robayo Vanoy, Oscar Arregocés, and J. Fernández de Soto. Essential Elements for Successful Seed Programs. International Center for Tropical Agriculture, 1983.
MLA (9th ed.) Citation
Douglas, Johnson E., et al. Essential Elements for Successful Seed Programs. International Center for Tropical Agriculture, 1983.
Warning: These citations may not always be 100% accurate.