APA (7th ed.) Citation

Mullahy, J. (1998). It'll only hurt a secondn: Microeconomic determinats of who gets flu shots. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Mullahy, John. It'll Only Hurt a Secondn: Microeconomic Determinats of Who Gets Flu Shots. Cambridge: National Bureau of Economic Research, 1998.

MLA (9th ed.) Citation

Mullahy, John. It'll Only Hurt a Secondn: Microeconomic Determinats of Who Gets Flu Shots. National Bureau of Economic Research, 1998.