Geological Survey (U.S.). (1978). Geological Survey research 1978: A summary of recent significant scientific and economic results accompanied by a list of geologic and hydrologic investigations in progress and a report on the status of topographic mapping. U.S. Govt. Print. Off.
Chicago Style (17th ed.) CitationGeological Survey (U.S.). Geological Survey Research 1978: A Summary of Recent Significant Scientific and Economic Results Accompanied by a List of Geologic and Hydrologic Investigations in Progress and a Report on the Status of Topographic Mapping. Washington: U.S. Govt. Print. Off, 1978.
MLA (9th ed.) CitationGeological Survey (U.S.). Geological Survey Research 1978: A Summary of Recent Significant Scientific and Economic Results Accompanied by a List of Geologic and Hydrologic Investigations in Progress and a Report on the Status of Topographic Mapping. U.S. Govt. Print. Off, 1978.