APA (7th ed.) Citation

Ellis Horwood, Hemmings, B. D., Laird, L. M., & Steffens, W. (1989). Principles of fish nutrition. Ellis Horwood.

Chicago Style (17th ed.) Citation

Ellis Horwood, B. D. Hemmings, L. M. Laird, and Werner Steffens. Principles of Fish Nutrition. New York: Ellis Horwood, 1989.

MLA (8th ed.) Citation

Ellis Horwood, et al. Principles of Fish Nutrition. Ellis Horwood, 1989.