APA (7th ed.) Citation

Varsano, R., Keen, M., & Kim, K. (2006). The "Flat Tax(es)": Principles and Evidence. International Monetary Fund.

Chicago Style (17th ed.) Citation

Varsano, Ricardo, Michael Keen, and Kevin Kim. The "Flat Tax(es)": Principles and Evidence. Washington, D.C.: International Monetary Fund, 2006.

MLA (8th ed.) Citation

Varsano, Ricardo, et al. The "Flat Tax(es)": Principles and Evidence. International Monetary Fund, 2006.