APA (7th ed.) Citation

Sims, P. K. (1963). Economic geology of the Central City District, Gilpin County, Colorado. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Sims, P. K. Economic Geology of the Central City District, Gilpin County, Colorado. Washington: U.S. Govt. Print. Off, 1963.

MLA (9th ed.) Citation

Sims, P. K. Economic Geology of the Central City District, Gilpin County, Colorado. U.S. Govt. Print. Off, 1963.

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