Παραπομπή σε μορφή APA (7η εκδ.)

SpringerLink (Online service), Elmerich, C., & Newton, W. E. (2007). Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Springer Netherlands.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SpringerLink (Online service), Claudine Elmerich, και William E. Newton. Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Dordrecht: Springer Netherlands, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

SpringerLink (Online service), et al. Associative and Endophytic Nitrogen-fixing Bacteria and Cyanobacterial Associations. Springer Netherlands, 2007.