Geological Survey (U.S.) & ProQuest (Firm). (1908). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Water-supply paper 220. Geology and water resources of a portion of South-central Oregon. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Water-supply Paper 220. Geology and Water Resources of a Portion of South-central Oregon. Washington: [publisher not identified], 1908.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Department of the Interior. United States Geological Survey. George Otis Smith, Director. Water-supply Paper 220. Geology and Water Resources of a Portion of South-central Oregon. [publisher not identified], 1908.