APA (7th ed.) Citation

Fishing News Books, Cantley, M., & Shaw, S. A. (1990). Marketing: A practical guide for fish farmers. Fishing News Books.

Chicago Style (17th ed.) Citation

Fishing News Books, Maurice Cantley, and Susan A. Shaw. Marketing: A Practical Guide for Fish Farmers. Oxford: Fishing News Books, 1990.

MLA (8th ed.) Citation

Fishing News Books, et al. Marketing: A Practical Guide for Fish Farmers. Fishing News Books, 1990.