R E Hester, Hester, R. E., & Harrison, R. M. (2018). Coal in the 21st century: Energy needs, chemicals and environmental controls. Royal Society of Chemistry.
Chicago Style (17th ed.) CitationR E Hester, R. E. Hester, and R. M. Harrison. Coal in the 21st Century: Energy Needs, Chemicals and Environmental Controls. Cambridge, [England]: Royal Society of Chemistry, 2018.
MLA (9th ed.) CitationR E Hester, et al. Coal in the 21st Century: Energy Needs, Chemicals and Environmental Controls. Royal Society of Chemistry, 2018.
Warning: These citations may not always be 100% accurate.