Cita APA (7a ed.)

Simon, J. L. (1995). The state of humanity. Blackwell in association with the Cato Institute.

Cita Chicago Style (17a ed.)

Simon, Julian L. The State of Humanity. Oxford, UK ; Cambridge, Mass.: Blackwell in association with the Cato Institute, 1995.

Cita MLA (9a ed.)

Simon, Julian L. The State of Humanity. Blackwell in association with the Cato Institute, 1995.