APA (7th ed.) Citation

Sims, P. K., & Gable, D. J. (1967). Petrology and structure of Precambrian rocks, Central City quadrangle, Colorado. U.S. Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Sims, P. K., and Dolores J. Gable. Petrology and Structure of Precambrian Rocks, Central City Quadrangle, Colorado. Washington: U.S. Department of the Interior, Geological Survey, 1967.

MLA (9th ed.) Citation

Sims, P. K., and Dolores J. Gable. Petrology and Structure of Precambrian Rocks, Central City Quadrangle, Colorado. U.S. Department of the Interior, Geological Survey, 1967.