Geological Survey (U.S.) & ProQuest (Firm). (1926). Mineral resources of the United States 1923. [publisher not identified].
Chicago Style (17th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Mineral Resources of the United States 1923. Washington: [publisher not identified], 1926.
MLA (9th ed.) CitationGeological Survey (U.S.) and ProQuest (Firm). Mineral Resources of the United States 1923. [publisher not identified], 1926.
Warning: These citations may not always be 100% accurate.