APA (7th ed.) Citation

ScienceDirect (Online service), Fedorff, S., & Vernadakis, A. (1987). Astrocytes. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Sergey Fedorff, and Antonia Vernadakis. Astrocytes. [Place of publication not identified]: Academic Press, 1987.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Astrocytes. Academic Press, 1987.