APA (7th ed.) Citation

Bastin, E. S., & Hill, J. M. (1916). Preliminary report on the economic geology of Gilpin County, Colorado. Gov. Print. Off.

Chicago Style (17th ed.) Citation

Bastin, Edson S., and James M. Hill. Preliminary Report on the Economic Geology of Gilpin County, Colorado. Washington, DC: Gov. Print. Off, 1916.

MLA (9th ed.) Citation

Bastin, Edson S., and James M. Hill. Preliminary Report on the Economic Geology of Gilpin County, Colorado. Gov. Print. Off, 1916.