APA (7th ed.) Citation

Duffer, W. R. (1971). Changes in water quality resulting from impoundment. U.S. Environmental Protection Agency.

Chicago Style (17th ed.) Citation

Duffer, William R. Changes in Water Quality Resulting from Impoundment. Washington: U.S. Environmental Protection Agency, 1971.

MLA (9th ed.) Citation

Duffer, William R. Changes in Water Quality Resulting from Impoundment. U.S. Environmental Protection Agency, 1971.

Warning: These citations may not always be 100% accurate.