APA
Scanlon A. H., . (1983). Oil and gas field map of Colorado. Denver, CO: Colorado Geological Survey.
Chicago
Scanlon A H, . 1983. Oil and gas field map of Colorado. Denver, CO: Colorado Geological Survey.
Harvard
Scanlon A. H., . (1983). Oil and gas field map of Colorado. Denver, CO: Colorado Geological Survey.
MLA
Scanlon A H, . Oil and gas field map of Colorado. Denver, CO: Colorado Geological Survey. 1983.