APA (7th ed.) Citation

Train, K. (1991). Optimal regulation: The economic theory of natural monopoly. The MIT Press.

Chicago Style (17th ed.) Citation

Train, Kenneth. Optimal Regulation: The Economic Theory of Natural Monopoly. Cambridge: The MIT Press, 1991.

MLA (8th ed.) Citation

Train, Kenneth. Optimal Regulation: The Economic Theory of Natural Monopoly. The MIT Press, 1991.

Warning: These citations may not always be 100% accurate.