APA-Zitierstil (7. Ausg.)

Leonhard, J. W. (1979). Coal preparation (4. ed.). The American Institute of Mining, Metallurgical and Petroleum Engineers.

Chicago-Zitierstil (17. Ausg.)

Leonhard, Joseph W. Coal Preparation. 4. ed. New York: The American Institute of Mining, Metallurgical and Petroleum Engineers, 1979.

MLA-Zitierstil (9. Ausg.)

Leonhard, Joseph W. Coal Preparation. 4. ed. The American Institute of Mining, Metallurgical and Petroleum Engineers, 1979.