APA (7th ed.) Citation

Saffer, H., Terry-McElrath, Y., & Wakefield, M. (2007). The Effect of Nicotine Replacement Therapy Advertising on Youth Smoking. National Bureau of Economic Research.

Chicago Style (17th ed.) Citation

Saffer, Henry, Yvonne Terry-McElrath, and Melanie Wakefield. The Effect of Nicotine Replacement Therapy Advertising on Youth Smoking. National Bureau of Economic Research, 2007.

MLA (9th ed.) Citation

Saffer, Henry, et al. The Effect of Nicotine Replacement Therapy Advertising on Youth Smoking. National Bureau of Economic Research, 2007.