Cita APA (7th ed.)

Edgar, T. F. (1983). Coal processing and pollution control. Gulf.

Cita Chicago (17th ed.)

Edgar, Thomas F. Coal Processing and Pollution Control. Houston, Texas: Gulf, 1983.

Cita MLA (9th ed.)

Edgar, Thomas F. Coal Processing and Pollution Control. Gulf, 1983.

Atenció: Aquestes cites poden no estar 100% correctes.