Ball, M. E., & Wietschel, M. E. (2009). The hydrogen economy: Opportunities and challenges.
Chicago Edition CitationBall, Michael; Editor, and Martin; Editor Wietschel. The Hydrogen Economy: Opportunities and Challenges. Cambridge, Cambridge University Press, 2009.
MLA Edition CitationBall, Michael; Editor, and Martin; Editor Wietschel. The Hydrogen Economy: Opportunities and Challenges. 2009.
Warning: These citations may not always be 100% accurate.