APA (7th ed.) Citation

Ahlness, J. K., & Kirchner, J. C. (1980). Electronic ore sorting tests on native copper ore. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Ahlness, Jon K., and James C. Kirchner. Electronic Ore Sorting Tests on Native Copper Ore. [Washington, D.C.?]: U.S. Dept. of the Interior, Bureau of Mines, 1980.

MLA (9th ed.) Citation

Ahlness, Jon K., and James C. Kirchner. Electronic Ore Sorting Tests on Native Copper Ore. U.S. Dept. of the Interior, Bureau of Mines, 1980.