APA (7th ed.) Citation

An Osprey Book & Dore, I. (1990). Salmon: The illustrated handbook for commercial users. An Osprey Book.

Chicago Style (17th ed.) Citation

An Osprey Book and Ian Dore. Salmon: The Illustrated Handbook for Commercial Users. New York: An Osprey Book, 1990.

MLA (8th ed.) Citation

An Osprey Book and Ian Dore. Salmon: The Illustrated Handbook for Commercial Users. An Osprey Book, 1990.