MLA

Hall, Charles A. S, Kent A Klitgaard, and Kent Klitgaard. Energy and the Wealth of Nations. Springer New York, 2012.

APA

Hall, C. A. S, Klitgaard, K. A, & Klitgaard, K. (2012). Energy and the Wealth of Nations. Springer New York.

Chicago

Hall, Charles A. S., Kent A Klitgaard, and Kent Klitgaard. Energy and the Wealth of Nations. : Springer New York, 2012.