APA (7th ed.) Citation

Cobb, H. S. (1988). Prospecting our past: Gold, silver, and Tungsten mills of Boulder County. Book Lode.

Chicago Style (17th ed.) Citation

Cobb, Harrison S. Prospecting Our Past: Gold, Silver, and Tungsten Mills of Boulder County. Boulder, Colo.: Book Lode, 1988.

MLA (9th ed.) Citation

Cobb, Harrison S. Prospecting Our Past: Gold, Silver, and Tungsten Mills of Boulder County. Book Lode, 1988.

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