Cita APA (7a ed.)
Laing, D. R., Kretchmer, P., & Zuluaga G, S. (1980). Physiological studies on yield and adaptation in Phaseolus vulgaris L. International Center for Tropical Agriculture.
Cita Chicago Style (17a ed.)
Laing, Douglas R., PJ Kretchmer, y S. Zuluaga G. Physiological Studies on Yield and Adaptation in Phaseolus Vulgaris L. International Center for Tropical Agriculture, 1980.
Cita MLA (9a ed.)
Laing, Douglas R., et al. Physiological Studies on Yield and Adaptation in Phaseolus Vulgaris L. International Center for Tropical Agriculture, 1980.
Precaución: Estas citas no son 100% exactas.