Cita APA (7th ed.)

Society for Mining, Metallurgy, and Exploration (U.S.), ebrary, Inc, & Kennedy, B. A. (1990). Surface mining (2nd ed.). Society for Mining, Metallurgy, and Exploration.

Cita Chicago (17th ed.)

Society for Mining, Metallurgy, and Exploration (U.S.), Inc ebrary, i Bruce A. Kennedy. Surface Mining. 2nd ed. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1990.

Cita MLA (9th ed.)

Society for Mining, Metallurgy, and Exploration (U.S.), et al. Surface Mining. 2nd ed. Society for Mining, Metallurgy, and Exploration, 1990.