MLA

Dakora, F.D.; Chimphango, S.B.M; Valentine, Alex J, et al. Biological Nitrogen Fixation: Towards Poverty Alleviation Through Sustainable Agriculture. Springer Netherlands, 2008.

APA

Dakora, A. J, Chimphango, S. B. M, Dakora, F. D, Elmerich, C., Newton, W. E, & Valentine, A. J. (2008). Biological Nitrogen Fixation: Towards Poverty Alleviation through Sustainable Agriculture. Springer Netherlands.

Chicago

Dakora, F.D.; Chimphango, S.B.M; Valentine, Alex J., Samson B. M Chimphango, Felix D Dakora, Claudine Elmerich, William E Newton, and Alex J Valentine. Biological Nitrogen Fixation: Towards Poverty Alleviation Through Sustainable Agriculture. : Springer Netherlands, 2008.