APA (7th ed.) Citation

United States. Bureau of Mines. (1993). A cost comparison of selected coal mines from Australia, Canada, Colombia, South Africa, and the United States. Bureau of Mines.

Chicago Style (17th ed.) Citation

United States. Bureau of Mines. A Cost Comparison of Selected Coal Mines from Australia, Canada, Colombia, South Africa, and the United States. [Washington, D.C.: Bureau of Mines, 1993.

MLA (8th ed.) Citation

United States. Bureau of Mines. A Cost Comparison of Selected Coal Mines from Australia, Canada, Colombia, South Africa, and the United States. Bureau of Mines, 1993.