APA (7th ed.) Citation

Geological Survey (U.S.), Roehler, H. W., & Hansen, D. E. (1989). Surface and subsurface correlations showing depositional environments of upper Cretaceous Mesaverde Group and associated formations, Cow Creek in southwest Wyoming to Mount Harris in northwest Colorado. The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Henry W. Roehler, and Dan E. Hansen. Surface and Subsurface Correlations Showing Depositional Environments of Upper Cretaceous Mesaverde Group and Associated Formations, Cow Creek in Southwest Wyoming to Mount Harris in Northwest Colorado. Reston, Va.: The Survey, 1989.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Surface and Subsurface Correlations Showing Depositional Environments of Upper Cretaceous Mesaverde Group and Associated Formations, Cow Creek in Southwest Wyoming to Mount Harris in Northwest Colorado. The Survey, 1989.