APA (7th ed.) Citation

ScienceDirect (Online service), Hoar, W. S., & Randall, D. J. (1988). Fish physiology. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), William Stewart Hoar, and David J. Randall. Fish Physiology. San Diego: Academic Press, 1988.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Fish Physiology. Academic Press, 1988.