APA (7th ed.) Citation

Hansen, W. R., Rowley, P. D., & Carrara, P. E. (1983). Geologic map of Dinosaur National Monument and vicinity, Utah and Colorado. U.S. Geological Survey.

Chicago Style (17th ed.) Citation

Hansen, Wallace R., Peter D. Rowley, and Paul E. Carrara. Geologic Map of Dinosaur National Monument and Vicinity, Utah and Colorado. Reston, Va.: U.S. Geological Survey, 1983.

MLA (9th ed.) Citation

Hansen, Wallace R., et al. Geologic Map of Dinosaur National Monument and Vicinity, Utah and Colorado. U.S. Geological Survey, 1983.