APA (7th ed.) Citation

ScienceDirect (Online service), Parsons, L., & Hill, M. (2015). Endocannabinoids (First edition.). Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), Loren Parsons, and Matthew Hill. Endocannabinoids. First edition. Waltham, MA: Academic Press, 2015.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Endocannabinoids. First edition. Academic Press, 2015.