APA (7th ed.) Citation
Rondón, M. A., Lehmann, J., Ramírez, J., & Hurtado, M. (2007). Biological nitrogen fixation by common beans (Phaseolus vulgaris L.) increases with bio-char additions. Springer.
Chicago Style (17th ed.) Citation
Rondón, Marco Antonio, Johannes Lehmann, Juan Ramírez, and M.P Hurtado. Biological Nitrogen Fixation by Common Beans (Phaseolus Vulgaris L.) Increases with Bio-char Additions. Springer, 2007.
MLA (9th ed.) Citation
Rondón, Marco Antonio, et al. Biological Nitrogen Fixation by Common Beans (Phaseolus Vulgaris L.) Increases with Bio-char Additions. Springer, 2007.
Warning: These citations may not always be 100% accurate.