APA (7th ed.) Citation

Spearman, J. E. (1980). The United States metallurgical coal industry: Reserves, efficiency, outlook. West Virginia University Press.

Chicago Style (17th ed.) Citation

Spearman, James Edward. The United States Metallurgical Coal Industry: Reserves, Efficiency, Outlook. Morgantown: West Virginia University Press, 1980.

MLA (9th ed.) Citation

Spearman, James Edward. The United States Metallurgical Coal Industry: Reserves, Efficiency, Outlook. West Virginia University Press, 1980.