Cita APA (7th ed.)

Flores, R. M. (2014). Coal and coalbed gas: Fueling the future. Elsevier.

Cita Chicago (17th ed.)

Flores, Romeo M. Coal and Coalbed Gas: Fueling the Future. Waltham, Massachusetts: Elsevier, 2014.

Cita MLA (9th ed.)

Flores, Romeo M. Coal and Coalbed Gas: Fueling the Future. Elsevier, 2014.