SpringerLink (Online service), Sigel, H., Sigel, R. K. O., & Sigel, A. (2012). Interplay between metal ions and nucleic acids. Springer Netherlands.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service), Helmut Sigel, Roland K. O. Sigel, i Astrid Sigel. Interplay Between Metal Ions and Nucleic Acids. Dordrecht: Springer Netherlands, 2012.
MLA način citiranja (8. izdanje)SpringerLink (Online service), et al. Interplay Between Metal Ions and Nucleic Acids. Springer Netherlands, 2012.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.