Train, K. E. (1995). Optimal regulation: The economic theory of natural monopoly. The MIT Press.
Chicago Style (17th ed.) CitationTrain, Kenneth E. Optimal Regulation: The Economic Theory of Natural Monopoly. Cambridge, Mass: The MIT Press, 1995.
MLA (9th ed.) CitationTrain, Kenneth E. Optimal Regulation: The Economic Theory of Natural Monopoly. The MIT Press, 1995.