Principles of mining : valuation, organization and administration; copper, gold, lead, silver, tin and zinc

MLA

Hoover, Herbert Clark. Principles of Mining : Valuation, Organization and Administration; Copper, Gold, Lead, Silver, Tin and Zinc. New York [etc.]: Hill Publishing Company, 1909.

APA

Hoover, H. Clark. (1909). Principles of mining : valuation, organization and administration; copper, gold, lead, silver, tin and zinc. New York [etc.]: Hill Publishing Company.

Chicago

Hoover, Herbert Clark, Principles of Mining: Valuation, Organization and Administration; Copper, Gold, Lead, Silver, Tin and Zinc. New York [etc.]: Hill Publishing Company, 1909.