APA (7th ed.) Citation

ScienceDirect (Online service), Law, J. H., & Rilling, H. C. (1985). Steroids and isoprenoids. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), John H. Law, and Hans C. Rilling. Steroids and Isoprenoids. Orlando: Academic Press, 1985.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Steroids and Isoprenoids. Academic Press, 1985.