Assessment of undiscovered conventionally recoverable petroleum resources of the Middle Caspian basin, U.S.S.R.
MLA
Ulmishek, Gregory F, and Wyman Harrison. Assessment of Undiscovered Conventionally Recoverable Petroleum Resources of the Middle Caspian Basin, U.s.s.r. Open-file Report. [Reston, Va.?]: U.S. Dept. of the Interior, Geological Survey, 1982
APA, 7th edition
Ulmishek, G. F, & Harrison, W. (1982). Assessment of undiscovered conventionally recoverable petroleum resources of the Middle Caspian basin, U.S.S.R. Open-file report. [Reston, Va.?]: U.S. Dept. of the Interior, Geological Survey
Chicago, 17th edition
Ulmishek, Gregory F., and Wyman Harrison. Assessment of undiscovered conventionally recoverable petroleum resources of the Middle Caspian basin, U.S.S.R. Open-file report. [Reston, Va.?]: U.S. Dept. of the Interior, Geological Survey, 1982