APA (7th ed.) Citation

United States. Bureau of Mines & ProQuest (Firm). (1930). Mineral resources of the United States 1927. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines and ProQuest (Firm). Mineral Resources of the United States 1927. Washington: [publisher not identified], 1930.

MLA (9th ed.) Citation

United States. Bureau of Mines and ProQuest (Firm). Mineral Resources of the United States 1927. [publisher not identified], 1930.

Warning: These citations may not always be 100% accurate.