APA (7th ed.) Citation

Elder, J. F. (1990). Applicability of ambient toxicity testing to national or regional water-quality assessment. U.S. Dept. of the Interior, U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Elder, John F. Applicability of Ambient Toxicity Testing to National or Regional Water-quality Assessment. [Reston, Va.]: U.S. Dept. of the Interior, U.S. Geological Survey, 1990.

MLA (9th ed.) Citation

Elder, John F. Applicability of Ambient Toxicity Testing to National or Regional Water-quality Assessment. U.S. Dept. of the Interior, U.S. Geological Survey, 1990.