Cita APA (7a ed.)
International Institute of Tropical Agriculture, Ayanaba, A., & Dart, P. J. Biological nitrogen fixation in farming systems of the Tropics.
Cita Chicago Style (17a ed.)
International Institute of Tropical Agriculture, A. Ayanaba, y P. J. Dart. Biological Nitrogen Fixation in Farming Systems of the Tropics.
Cita MLA (9a ed.)
International Institute of Tropical Agriculture, et al. Biological Nitrogen Fixation in Farming Systems of the Tropics.
Precaución: Estas citas no son 100% exactas.