Style de citation APA (7e éd.)

Leonard, J. W., & Hardinge, B. C. (1991). Coal preparation (5th ed.). Society for Mining, Metallurgy, and Exploration.

Style de citation Chicago (17e éd.)

Leonard, Joseph W., et Byron C. Hardinge. Coal Preparation. 5th ed. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 1991.

Style de citation MLA (8e éd.)

Leonard, Joseph W., et Byron C. Hardinge. Coal Preparation. 5th ed. Society for Mining, Metallurgy, and Exploration, 1991.