APA (7th ed.) Citation

Heady, H. H., & Broadhead, K. G. (1976). Assaying ores, concentrates, and bullion. U.S. Dept. of the Interior, Bureau of Mines.

Chicago Style (17th ed.) Citation

Heady, H. H., and Kenneth G. Broadhead. Assaying Ores, Concentrates, and Bullion. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1976.

MLA (9th ed.) Citation

Heady, H. H., and Kenneth G. Broadhead. Assaying Ores, Concentrates, and Bullion. U.S. Dept. of the Interior, Bureau of Mines, 1976.