APA (7th ed.) Citation

Richards, R. H. (1906). Ore dressing (2nd ed.). The Engineering and Mining Journal.

Chicago Style (17th ed.) Citation

Richards, Robert H. Ore Dressing. 2nd ed. New York: The Engineering and Mining Journal, 1906.

MLA (9th ed.) Citation

Richards, Robert H. Ore Dressing. 2nd ed. The Engineering and Mining Journal, 1906.

Warning: These citations may not always be 100% accurate.