Wills, B., & Barley, R. (1986). Mineral processing at a crossroads: Problems and prospects. Dordrecht: Martinus Nijhoff Publishers.
Chicago Style CitationWills, B.A., and R.W Barley. Mineral Processing At a Crossroads: Problems and Prospects. Dordrecht: Martinus Nijhoff Publishers, 1986.
MLA CitationWills, B.A., and R.W Barley. Mineral Processing At a Crossroads: Problems and Prospects. Dordrecht: Martinus Nijhoff Publishers, 1986.
Warning: These citations may not always be 100% accurate.