Cita APA (7th ed.)

Halperin, M. H., Siegle, J. T., & Weinstein, M. M. (2005). The democracy advantage: How democracies promote prosperity and peace. Routledge.

Cita Chicago (17th ed.)

Halperin, Morton H., Joseph T. Siegle, i Michael M. Weinstein. The Democracy Advantage: How Democracies Promote Prosperity and Peace. New York: Routledge, 2005.

Cita MLA (9th ed.)

Halperin, Morton H., et al. The Democracy Advantage: How Democracies Promote Prosperity and Peace. Routledge, 2005.