Cita APA

Ayanaba, A. (1977). Biological nitrogen fixation in farming systems of the tropics. John Wiley and Sons.

Citación estilo Chicago

Ayanaba, A. Biological Nitrogen Fixation in Farming Systems of the Tropics. New York: John Wiley and Sons, 1977.

Cita MLA

Ayanaba, A. Biological Nitrogen Fixation in Farming Systems of the Tropics. John Wiley and Sons, 1977.

Warning: These citations may not always be 100% accurate.