Cita APA (7th ed.)

U.S. Bureau of Mines. (1965). Mineral facts and problems. s.n.

Cita Chicago (17th ed.)

U.S. Bureau of Mines. Mineral Facts and Problems. Washington: s.n, 1965.

Cita MLA (9th ed.)

U.S. Bureau of Mines. Mineral Facts and Problems. s.n, 1965.