Cita APA

Wilson, P. J., & Wells, J. H. (1950). Coal, coke and coal chemicals. New York: MccGraw-Hill Book Co. Inc.

Citación estilo Chicago

Wilson, Philip J., and Joseph H. Wells. Coal, Coke and Coal Chemicals. New York: MccGraw-Hill Book Co. Inc, 1950.

Cita MLA

Wilson, Philip J., and Joseph H. Wells. Coal, Coke and Coal Chemicals. New York: MccGraw-Hill Book Co. Inc, 1950.