United States. Bureau of Mines & ProQuest (Firm). (1943). Minerals Yearbook, 1942. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines and ProQuest (Firm). Minerals Yearbook, 1942. Washington: [publisher not identified], 1943.
MLA (9th ed.) CitationUnited States. Bureau of Mines and ProQuest (Firm). Minerals Yearbook, 1942. [publisher not identified], 1943.
Warning: These citations may not always be 100% accurate.