Cita APA (7a ed.)

Merritt, P. C. (1978). Coal age operating handbook of coal preparation. Coal Age Mining Informational Services.

Cita Chicago Style (17a ed.)

Merritt, Paul C. Coal Age Operating Handbook of Coal Preparation. New York: Coal Age Mining Informational Services, 1978.

Cita MLA (9a ed.)

Merritt, Paul C. Coal Age Operating Handbook of Coal Preparation. Coal Age Mining Informational Services, 1978.