APA (7th ed.) Citation

Thomson, R. D., & York, H. F. (1975). The reserve base of U.S. coals by sulfur content: 1. The Eastern States. [Dept. of the Interior, Bureau of Mines].

Chicago Style (17th ed.) Citation

Thomson, Robert D., and Harold F. York. The Reserve Base of U.S. Coals by Sulfur Content: 1. The Eastern States. [Washington]: [Dept. of the Interior, Bureau of Mines], 1975.

MLA (9th ed.) Citation

Thomson, Robert D., and Harold F. York. The Reserve Base of U.S. Coals by Sulfur Content: 1. The Eastern States. [Dept. of the Interior, Bureau of Mines], 1975.