APA (7th ed.) Citation

SpringerLink (Online service), Bergström, T., Perlmann, P., & Wigzell, H. (1999). Vaccines. Springer.

Chicago Style (17th ed.) Citation

SpringerLink (Online service), T. Bergström, Peter Perlmann, and Hans Wigzell. Vaccines. Berlin ; New York: Springer, 1999.

MLA (9th ed.) Citation

SpringerLink (Online service), et al. Vaccines. Springer, 1999.