Schwiebert, E. (1977). Columbia river salmon and steelhead: Proceedings of a symposium. American Fisheries Society.
Cita Chicago (17th ed.)Schwiebert, Ernest. Columbia River Salmon and Steelhead: Proceedings of a Symposium. Washington, D.C: American Fisheries Society, 1977.
Cita MLA (9th ed.)Schwiebert, Ernest. Columbia River Salmon and Steelhead: Proceedings of a Symposium. American Fisheries Society, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.