APA (7th ed.) Citation

Bryant, B. (1979). Geology of the Aspen 15-minute quadrangle, Pitkin and Gunnison Counties, Colorado. United States Department of the Interior, Geological Survey.

Chicago Style (17th ed.) Citation

Bryant, Bruce. Geology of the Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado. Washington: United States Department of the Interior, Geological Survey, 1979.

MLA (9th ed.) Citation

Bryant, Bruce. Geology of the Aspen 15-minute Quadrangle, Pitkin and Gunnison Counties, Colorado. United States Department of the Interior, Geological Survey, 1979.

Warning: These citations may not always be 100% accurate.