APA
Robert H. Richards, . (1908). Ore Dressing. Vol. II. New York: Hill Publishing Company.
Chicago
Robert H. Richards, . 1908. Ore Dressing. Vol. II. New York: Hill Publishing Company.
Harvard
Robert H. Richards, . (1908). Ore Dressing. Vol. II. New York: Hill Publishing Company.
MLA
Robert H. Richards, . Ore Dressing. Vol. II. New York: Hill Publishing Company. 1908.
