Cita APA (7a ed.)
Ayanaba, A., & Dart, P. (1977). Biological nitrogen fixation in farming systems of the tropics. John Wiley and Sons.
Cita Chicago Style (17a ed.)
Ayanaba, A., y P.J Dart. Biological Nitrogen Fixation in Farming Systems of the Tropics. John Wiley and Sons, 1977.
Cita MLA (9a ed.)
Ayanaba, A., y P.J Dart. Biological Nitrogen Fixation in Farming Systems of the Tropics. John Wiley and Sons, 1977.
Precaución: Estas citas no son 100% exactas.