Geological Survey (U.S.) & ProQuest (Firm). (1909). [Mineral resources of United States, 1908, 2 vols.]. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). [Mineral Resources of United States, 1908, 2 Vols.]. Washington: [publisher not identified], 1909.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). [Mineral Resources of United States, 1908, 2 Vols.]. [publisher not identified], 1909.
Warning: These citations may not always be 100% accurate.