APA (7th ed.) Citation

ScienceDirect (Online service), Biggio, G., & Purdy, R. H. (2001). Neurosteroids and brain function. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Giovanni Biggio, and R. H. Purdy. Neurosteroids and Brain Function. San Diego: Academic Press, 2001.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Neurosteroids and Brain Function. Academic Press, 2001.