APA (7th ed.) Citation

Hedlund, D. C., & Olson, J. C. (1973). Geologic map of the Carpenter Ridge quadrangle, Gunnison County, Colorado. The Survey.

Chicago Style (17th ed.) Citation

Hedlund, David Carl, and J. C. Olson. Geologic Map of the Carpenter Ridge Quadrangle, Gunnison County, Colorado. Washington, D.C.: The Survey, 1973.

MLA (9th ed.) Citation

Hedlund, David Carl, and J. C. Olson. Geologic Map of the Carpenter Ridge Quadrangle, Gunnison County, Colorado. The Survey, 1973.