APA (7th ed.) Citation

Hoover, H. Principles of Mining: Valuation, Organization and Administration.

Chicago Style (17th ed.) Citation

Hoover, Herbert. Principles of Mining: Valuation, Organization and Administration.

MLA (9th ed.) Citation

Hoover, Herbert. Principles of Mining: Valuation, Organization and Administration.

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