Cita APA (7a ed.)
Wortmann, C. S., Kirkby, R. A., Eledu, C. A., & Allen, D. J. (1998). Atlas of common bean (Phaseolus vulgaris L.) production in Africa. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Wortmann, Charles S., Roger A. Kirkby, Charles A. Eledu, y David J. Allen. Atlas of Common Bean (Phaseolus Vulgaris L.) Production in Africa. International Center for Tropical Agriculture, 1998.
Cita MLA (9a ed.)
Wortmann, Charles S., et al. Atlas of Common Bean (Phaseolus Vulgaris L.) Production in Africa. International Center for Tropical Agriculture, 1998.
Precaución: Estas citas no son 100% exactas.