Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.

APA Citation Edition Citation

West Virginia Geological and Economic Survey. Mountain State Geology. West Virginia Geological and Economic Survey.

Chicago Citation Edition Citation

West Virginia Geological and Economic Survey. Mountain State Geology. Morgantown-WV: West Virginia Geological and Economic Survey.

MLA Citation Edition Citation

West Virginia Geological and Economic Survey. Mountain State Geology. West Virginia Geological and Economic Survey.