APA (7th ed.) Citation

Fishing News Books & Cowx, I. G. (1998). Stocking and introduction of fish. Fishing News Books.

Chicago Style (17th ed.) Citation

Fishing News Books and I. G. Cowx. Stocking and Introduction of Fish. Oxford: Fishing News Books, 1998.

MLA (8th ed.) Citation

Fishing News Books and I. G. Cowx. Stocking and Introduction of Fish. Fishing News Books, 1998.