Staff, N. R. C. (1994). Coal: Energy for the Future. National Academies Press.
Cita Chicago Style (17a ed.)Staff, National Research Council. Coal: Energy for the Future. Washington: National Academies Press, 1994.
Cita MLA (8a ed.)Staff, National Research Council. Coal: Energy for the Future. National Academies Press, 1994.
Precaución: Estas citas no son 100% exactas.