Pumphrey, D. L., & Pumphrey, D. L. (1991). Energy policy in the western hemisphere. Washington: Latin American Program Staff.
Chicago Style CitationPumphrey, David L., and David L. Pumphrey. Energy Policy in the Western Hemisphere. Washington: Latin American Program Staff, 1991.
MLA CitationPumphrey, David L., and David L. Pumphrey. Energy Policy in the Western Hemisphere. Washington: Latin American Program Staff, 1991.
Warning: These citations may not always be 100% accurate.