APA (7th ed.) Citation

Lutzen, E. E., & Rockaway, J. D. (1971). Engineering geology of St. Louis County, Missouri. Missouri Geological Survey and Water Resources.

Chicago Style (17th ed.) Citation

Lutzen, Edwin E., and John D. Rockaway. Engineering Geology of St. Louis County, Missouri. Rolla: Missouri Geological Survey and Water Resources, 1971.

MLA (9th ed.) Citation

Lutzen, Edwin E., and John D. Rockaway. Engineering Geology of St. Louis County, Missouri. Missouri Geological Survey and Water Resources, 1971.