APA (7th ed.) Citation

Loughlin, G. F. (1926). Guides to ore in the Leadville district, Colorado. US Gov. Print. Off.

Chicago Style (17th ed.) Citation

Loughlin, G. F. Guides to Ore in the Leadville District, Colorado. Washington, DC: US Gov. Print. Off, 1926.

MLA (9th ed.) Citation

Loughlin, G. F. Guides to Ore in the Leadville District, Colorado. US Gov. Print. Off, 1926.