Conditions in the Copper Mines of Michigan. Part 5 : hearings before the United States House Committee on Mines and Mining, Sixty-Third Congress, second session, on Mar. 5-7, 1914.

MLA

United States. Conditions in the Copper Mines of Michigan. Part 5 : hearings before the United States House Committee on Mines and Mining, Sixty-Third Congress, second session, on Mar. 5-7, 1914. Washington : U.S. G.P.O., 1914.

APA

United States. (1914). Conditions in the Copper Mines of Michigan. Part 5 : hearings before the United States House Committee on Mines and Mining, Sixty-Third Congress, second session, on Mar. 5-7, 1914. Washington : U.S. G.P.O..

Chicago

United States. Conditions in the Copper Mines of Michigan. Part 5 : hearings before the United States House Committee on Mines and Mining, Sixty-Third Congress, second session, on Mar. 5-7, 1914. Washington : U.S. G.P.O., 1914.