APA (7th ed.) Citation

Hoagberg, R. K. (1971). Environmental geology of the Twin Cities metropolitan area. Minnesota Geological Survey.

Chicago Style (17th ed.) Citation

Hoagberg, Rudolph K. Environmental Geology of the Twin Cities Metropolitan Area. [St. Paul: Minnesota Geological Survey, 1971.

MLA (9th ed.) Citation

Hoagberg, Rudolph K. Environmental Geology of the Twin Cities Metropolitan Area. Minnesota Geological Survey, 1971.

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