Cita APA (7th ed.)
Clifton, E. V., & Romero-Barrutieta, A. (2006). Institutions v. geography: Sub-national evidence from the United States. International Monetary Fund.
Cita Chicago (17th ed.)
Clifton, Eric V., i Alma Romero-Barrutieta. Institutions V. Geography: Sub-national Evidence from the United States. [Washington, D.C.]: International Monetary Fund, 2006.
Cita MLA (9th ed.)
Clifton, Eric V., i Alma Romero-Barrutieta. Institutions V. Geography: Sub-national Evidence from the United States. International Monetary Fund, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.