APA (7th ed.) Citation

Helfman, G. S. (2007). Fish conservation: A guide to understanding and restoring global aquatic biodiversity and fishery resources. Island Press.

Chicago Style (17th ed.) Citation

Helfman, Gene S. Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources. Washington: Island Press, 2007.

MLA (9th ed.) Citation

Helfman, Gene S. Fish Conservation: A Guide to Understanding and Restoring Global Aquatic Biodiversity and Fishery Resources. Island Press, 2007.