APA (7th ed.) Citation

Posner, R. A. (1999). Natural monopoly and its regulation. Cato Institute.

Chicago Style (17th ed.) Citation

Posner, Richard A. Natural Monopoly and Its Regulation. Washington, D.C.: Cato Institute, 1999.

MLA (8th ed.) Citation

Posner, Richard A. Natural Monopoly and Its Regulation. Cato Institute, 1999.