APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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