APA (7th ed.) Citation

SpringerLink (Online service), Tidona, C. A., & Darai, G. (2011). The Springer index of viruses (2nd ed.). Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), Christian A. Tidona, and Gholamreza Darai. The Springer Index of Viruses. 2nd ed. New York: Springer, 2011.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. The Springer Index of Viruses. 2nd ed. Springer, 2011.