Cita APA

Keller, P. A., Beyer, E. J., Baker, T. B., Bailey, L. A., & Fiore, M. C. (2009). Tobacco Cessation Quitline Spending in 2005 and 2006: What State-Level Factors Matter? Molecular Diversity Preservation International (MDPI).

Chicago Style Citation

Keller, Paula A., Eric J. Beyer, Timothy B. Baker, Linda A. Bailey, i Michael C. Fiore. Tobacco Cessation Quitline Spending in 2005 and 2006: What State-Level Factors Matter? Molecular Diversity Preservation International (MDPI), 2009.

Cita MLA

Keller, Paula A., et al. Tobacco Cessation Quitline Spending in 2005 and 2006: What State-Level Factors Matter? Molecular Diversity Preservation International (MDPI), 2009.