APA (7th ed.) Citation

United States. Bureau of Mines & ProQuest (Firm). (1950). Minerals Year book 1948. [publisher not identified].

Chicago Style (17th ed.) Citation

United States. Bureau of Mines and ProQuest (Firm). Minerals Year Book 1948. Washington: [publisher not identified], 1950.

MLA (9th ed.) Citation

United States. Bureau of Mines and ProQuest (Firm). Minerals Year Book 1948. [publisher not identified], 1950.

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