United States. Bureau of Mines & Markon, G. (1978). Mineral industries of Eastern Europe and the U.S.S.R. by George Markon ... [et al.]. U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off..
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines and George Markon. Mineral Industries of Eastern Europe and the U.S.S.R. by George Markon ... [et Al.]. Washington: U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.
MLA (8th ed.) CitationUnited States. Bureau of Mines and George Markon. Mineral Industries of Eastern Europe and the U.S.S.R. by George Markon ... [et Al.]. U.S. Dept. of the Interior, Bureau of Mines : for sale by the Supt. of Docs., U.S. Govt. Print. Off., 1978.