APA (7th ed.) Citation

Sims, P. K. (1964). Geology of the Central City quadrangle, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Sims, P. K. Geology of the Central City Quadrangle, Colorado. Washington, D.C.: The Survey, 1964.

MLA (9th ed.) Citation

Sims, P. K. Geology of the Central City Quadrangle, Colorado. The Survey, 1964.