Cita APA

Helme, D. W., Rayens, M. K., Kercsmar, S. E., Adkins, S. M., Amundsen, S. J., Lee, E., . . . Hahn, E. J. (2011). Rural Print Media Portrayal of Secondhand Smoke and Smoke-Free Policy.

Chicago Style Citation

Helme, Donald W., Mary Kay Rayens, Sarah E. Kercsmar, Sarah M. Adkins, Shelby J. Amundsen, Erin Lee, Carol A. Riker, i Ellen J. Hahn. Rural Print Media Portrayal of Secondhand Smoke and Smoke-Free Policy. 2011.

Cita MLA

Helme, Donald W., et al. Rural Print Media Portrayal of Secondhand Smoke and Smoke-Free Policy. 2011.

Atenció: Aquestes cites poden no estar 100% correctes.