APA (7th ed.) Citation

Geological Survey (U.S.), Blair, R. W., Yager, D. B., & Church, S. E. (2002). Surficial geologic maps along the riparian zone of the Animas River and its headwater tributaries, Silverton to Durango, Colorado, with Upper Animas River Watershed gradient profiles (Version 1.0.). The Survey.

Chicago Style (17th ed.) Citation

Geological Survey (U.S.), Robert W. Blair, Douglas B. Yager, and S. E. Church. Surficial Geologic Maps Along the Riparian Zone of the Animas River and Its Headwater Tributaries, Silverton to Durango, Colorado, with Upper Animas River Watershed Gradient Profiles. Version 1.0. [Denver, Colo.]: The Survey, 2002.

MLA (9th ed.) Citation

Geological Survey (U.S.), et al. Surficial Geologic Maps Along the Riparian Zone of the Animas River and Its Headwater Tributaries, Silverton to Durango, Colorado, with Upper Animas River Watershed Gradient Profiles. Version 1.0. The Survey, 2002.