Cita APA (7a ed.)
Bettencourt, E., Konopka, J., & Institute, I. P. G. R. (1988). 5.II Industrial Crops: Beet, coffee, oil palm, cotton and rubber.
Cita Chicago Style (17a ed.)
Bettencourt, E., J. Konopka, y International Plant Genetic Resources Institute. 5.II Industrial Crops: Beet, Coffee, Oil Palm, Cotton and Rubber. 1988.
Cita MLA (9a ed.)
Bettencourt, E., et al. 5.II Industrial Crops: Beet, Coffee, Oil Palm, Cotton and Rubber. 1988.
Precaución: Estas citas no son 100% exactas.