Cita APA (7th ed.)
(1977). Bureau of Mines. Special Publication. U.S. Dept. of the Interior, Bureau of Mines.
Cita Chicago (17th ed.)
Bureau of Mines. Special Publication. Washington: U.S. Dept. of the Interior, Bureau of Mines, 1977.
Cita MLA (9th ed.)
Bureau of Mines. Special Publication. U.S. Dept. of the Interior, Bureau of Mines, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.