Helm, D., Kay, J. A., & Thompson, D. (1989). The Market for energy / edited by Dieter Helm, John Kay and David Thompson. Clarendon.
Chicago Style (17th ed.) CitationHelm, Dieter, J. A. Kay, and David Thompson. The Market for Energy / Edited by Dieter Helm, John Kay and David Thompson. Oxford: Clarendon, 1989.
MLA (9th ed.) CitationHelm, Dieter, et al. The Market for Energy / Edited by Dieter Helm, John Kay and David Thompson. Clarendon, 1989.
Warning: These citations may not always be 100% accurate.