APA (7th ed.) Citation

Berkas, W. R. (1987). Water-quality assessment of Peruque Creek, St. Charles County, Missouri, July 1983 and July 1984. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Berkas, Wayne R. Water-quality Assessment of Peruque Creek, St. Charles County, Missouri, July 1983 and July 1984. Rolla, Missouri: U.S. Geological Survey, 1987.

MLA (9th ed.) Citation

Berkas, Wayne R. Water-quality Assessment of Peruque Creek, St. Charles County, Missouri, July 1983 and July 1984. U.S. Geological Survey, 1987.