APA (7th ed.) Citation

Geological Survey (U.S.). (1999). National Coal Resource Assessment Non-Propietary Data: Location, Stratigraphy, And Coal Quality, Etc., U.S. Geological Survey Open File Report 99-376, 1999, (CD-ROM). [publisher not identified].

Chicago Style (17th ed.) Citation

Geological Survey (U.S.). National Coal Resource Assessment Non-Propietary Data: Location, Stratigraphy, And Coal Quality, Etc., U.S. Geological Survey Open File Report 99-376, 1999, (CD-ROM). [Place of publication not identified]: [publisher not identified], 1999.

MLA (9th ed.) Citation

Geological Survey (U.S.). National Coal Resource Assessment Non-Propietary Data: Location, Stratigraphy, And Coal Quality, Etc., U.S. Geological Survey Open File Report 99-376, 1999, (CD-ROM). [publisher not identified], 1999.