APA (7th ed.) Citation

(2003). Benefit plan design and prescription drug utilization among asthmatics: Do patient copayments matter? National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Benefit Plan Design and Prescription Drug Utilization Among Asthmatics: Do Patient Copayments Matter? Cambridge, Mass: National Bureau of Economic Research, 2003.

MLA (9th ed.) Citation

Benefit Plan Design and Prescription Drug Utilization Among Asthmatics: Do Patient Copayments Matter? National Bureau of Economic Research, 2003.