APA (7th ed.) Citation

Pettijohn, R. A., & Engberg, R. A. (1985). Water-quality variations in Antelope Creek and Deadmans Run, Lincoln, Nebraska. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Pettijohn, Robert A., and R. A. Engberg. Water-quality Variations in Antelope Creek and Deadmans Run, Lincoln, Nebraska. Lincoln, Nebraska: U.S. Geological Survey, 1985.

MLA (9th ed.) Citation

Pettijohn, Robert A., and R. A. Engberg. Water-quality Variations in Antelope Creek and Deadmans Run, Lincoln, Nebraska. U.S. Geological Survey, 1985.