APA (7th ed.) Citation
So, H., Kirchhof, G., Bakker, R., & Smith, G. (2001). Low input tillage/cropping systems for limited resource areas. Elsevier.
Chicago Style (17th ed.) Citation
So, H.B, G. Kirchhof, R. Bakker, and G.D Smith. Low Input Tillage/cropping Systems for Limited Resource Areas. Elsevier, 2001.
MLA (9th ed.) Citation
So, H.B, et al. Low Input Tillage/cropping Systems for Limited Resource Areas. Elsevier, 2001.
Warning: These citations may not always be 100% accurate.