APA ציטוט

Wolfson, M., McCoy, T. P., & Sutfin, E. L. (2009). College students' exposure to secondhand smoke. Oxford University Press.

Citação norma Chicago

Wolfson, Mark, Thomas P. McCoy, and Erin L. Sutfin. College Students' Exposure to Secondhand Smoke. Oxford University Press, 2009.

ציטוט MLA

Wolfson, Mark, Thomas P. McCoy, and Erin L. Sutfin. College Students' Exposure to Secondhand Smoke. Oxford University Press, 2009.