APA (7th ed.) Citation

Gray, M. R. (1994). Upgrading petroleum residues and heavy oils. Marcel Dekker.

Chicago Style (17th ed.) Citation

Gray, Murray R. Upgrading Petroleum Residues and Heavy Oils. New York: Marcel Dekker, 1994.

MLA (9th ed.) Citation

Gray, Murray R. Upgrading Petroleum Residues and Heavy Oils. Marcel Dekker, 1994.

Warning: These citations may not always be 100% accurate.