APA (7th ed.) Citation

Wilson, P. J., & Wells, J. H. (1950). Coal, coke, and coal chemicals. McGraw-Hill Book Co.

Chicago Style (17th ed.) Citation

Wilson, Philip J., and Joseph H. Wells. Coal, Coke, and Coal Chemicals. New York [etc.]: McGraw-Hill Book Co, 1950.

MLA (9th ed.) Citation

Wilson, Philip J., and Joseph H. Wells. Coal, Coke, and Coal Chemicals. McGraw-Hill Book Co, 1950.