APA (7th ed.) Citation

Heinen, H. J., McClelland, G. E., & Lindstrom, R. E. (1979). Enhancing percolation rates in heap leaching of gold-silver ores. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Heinen, H. J., G. E. McClelland, and R. E. Lindstrom. Enhancing Percolation Rates in Heap Leaching of Gold-silver Ores. Washington: U.S. Dept. of the Interior, Bureau of Mines, 1979.

MLA (9th ed.) Citation

Heinen, H. J., et al. Enhancing Percolation Rates in Heap Leaching of Gold-silver Ores. U.S. Dept. of the Interior, Bureau of Mines, 1979.