Cite
MLA (8th Edition)
Robson, Stanley G. Bedrock Aquifers In the Denver Basin, Colorado: a Quantitative Water-Resources Appraisal. U.S. G.P.O, 1987.
APA (7th Edition)
Robson, S. G. (1987). Bedrock aquifers in the Denver basin, Colorado: A quantitative water-resources appraisal. U.S. G.P.O.
Chicago (17th Edition)
Robson, Stanley G. Bedrock Aquifers in the Denver Basin, Colorado : a Quantitative Water-Resources Appraisal. Washington: U.S. G.P.O, 1987.