APA (7th ed.) Citation

Geological Survey (U.S.). (1979). The Mississippian and Pennsylvanian (Carboniferous) systems in the United States. Dept. of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). The Mississippian and Pennsylvanian (Carboniferous) Systems in the United States. [Reston, Va.]: Dept. of the Interior, Geological Survey, 1979.

MLA (9th ed.) Citation

Geological Survey (U.S.). The Mississippian and Pennsylvanian (Carboniferous) Systems in the United States. Dept. of the Interior, Geological Survey, 1979.

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