APA (7th ed.) Citation

Edwards, D. J. (1978). Salmon and trout farming in Norway. Fishing News Books.

Chicago Style (17th ed.) Citation

Edwards, David J. Salmon and Trout Farming in Norway. Farnham, England: Fishing News Books, 1978.

MLA (9th ed.) Citation

Edwards, David J. Salmon and Trout Farming in Norway. Fishing News Books, 1978.