APA (7th ed.) Citation

Knack, S. F., & Azfar, O. (2000). Are larger countries really more corrupt. World Bank.

Chicago Style (17th ed.) Citation

Knack, Stephen F., and Omar Azfar. Are Larger Countries Really More Corrupt. Washington, D.C: World Bank, 2000.

MLA (9th ed.) Citation

Knack, Stephen F., and Omar Azfar. Are Larger Countries Really More Corrupt. World Bank, 2000.