Cita APA

(1991). Coal preparation (5th ed.). Society for Mining, Metallurgy, and Exploration.

Citación estilo Chicago

Coal Preparation. 5th ed. Littleton, Colo: Society for Mining, Metallurgy, and Exploration, 1991.

Cita MLA

Coal Preparation. 5th ed. Society for Mining, Metallurgy, and Exploration, 1991.

Warning: These citations may not always be 100% accurate.