APA (7th ed.) Citation

Slack, L. J. (1979). Water quality of Threemile Creek, Badger Creek, and Little River Watersheds, Iowa. The Survey.

Chicago Style (17th ed.) Citation

Slack, Larry J. Water Quality of Threemile Creek, Badger Creek, and Little River Watersheds, Iowa. Iowa City, Iowa: The Survey, 1979.

MLA (9th ed.) Citation

Slack, Larry J. Water Quality of Threemile Creek, Badger Creek, and Little River Watersheds, Iowa. The Survey, 1979.