APA (7th ed.) Citation

Crabtree, W. A., & Engineering, M. (2014). Forecast of Virginia coal production. Virginia Tech.

Chicago Style (17th ed.) Citation

Crabtree, Walter A., and Mining Engineering. Forecast of Virginia Coal Production. Virginia Tech, 2014.

MLA (8th ed.) Citation

Crabtree, Walter A., and Mining Engineering. Forecast of Virginia Coal Production. Virginia Tech, 2014.

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