APA (7th ed.) Citation

Geer, M. R., & Yancey, H. F. (1955). Cleaning characteristics and cleaning tests of Montana coal. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Geer, M. R., and H. F. Yancey. Cleaning Characteristics and Cleaning Tests of Montana Coal. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1955.

MLA (9th ed.) Citation

Geer, M. R., and H. F. Yancey. Cleaning Characteristics and Cleaning Tests of Montana Coal. U.S. Dept. of the Interior, Bureau of Mines, 1955.