APA Style

Esty, D, C., Winston, A, S. (2006). Green to gold: how smart companies use environmental strategy to innovate, create value, and build competitive advantage . ctu: Yale University Press.

MLA Style

Esty, Daniel, C.., Winston, Andrew, S.. "Green to gold: how smart companies use environmental strategy to innovate, create value, and build competitive advantage". ctu: Yale University Press, 2006. Computer File.