APA (7th ed.) Citation

ScienceDirect (Online service), Roos, K. L., & Tunkel, A. R. (2010). Bacterial infections of the central nervous system. Elsevier.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Karen L. Roos, and Allan R. Tunkel. Bacterial Infections of the Central Nervous System. Edinburgh: Elsevier, 2010.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Bacterial Infections of the Central Nervous System. Elsevier, 2010.