APA (7th ed.) Citation

ScienceDirect (Online service), O'Malley, Bert W., & Means, A. R. (1983). Hormone action. Academic.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Bert W. O'Malley, and Anthony R. Means. Hormone Action. New York: Academic, 1983.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Hormone Action. Academic, 1983.