Feld, L. P., & Frey, B. S. (2006). Tax evasion in Switzerland: The roles of deterrence and tax morale. Working paper.
Chicago Style (17th ed.) CitationFeld, Lars P., and Bruno S. Frey. "Tax Evasion in Switzerland: The Roles of Deterrence and Tax Morale." Working Paper 2006.
MLA (9th ed.) CitationFeld, Lars P., and Bruno S. Frey. "Tax Evasion in Switzerland: The Roles of Deterrence and Tax Morale." Working Paper, 2006.
Warning: These citations may not always be 100% accurate.