APA (7th ed.) Citation

Laird, L. M., & Needham, T. (1988). Salmon and trout farming. E. Horwood ; Halsted Press.

Chicago Style (17th ed.) Citation

Laird, L. M., and T. Needham. Salmon and Trout Farming. Chichester : New York: E. Horwood ; Halsted Press, 1988.

MLA (9th ed.) Citation

Laird, L. M., and T. Needham. Salmon and Trout Farming. E. Horwood ; Halsted Press, 1988.