SpringerLink (Online service), Elmerich, C., & Newton, W. E. (2007). Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Springer Netherlands.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Claudine Elmerich, and William E. Newton. Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Dordrecht: Springer Netherlands, 2007.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Springer Netherlands, 2007.
Warning: These citations may not always be 100% accurate.