Cita APA

Ellickson, P. L., McCaffrey, D. F., & Klein, D. J. (2009). Long-term Effects of Drug Prevention on Risky Sexual Behavior among Young Adults.

Chicago Style Citation

Ellickson, Phyllis L., Daniel F. McCaffrey, i David J. Klein. Long-term Effects of Drug Prevention On Risky Sexual Behavior Among Young Adults. 2009.

Cita MLA

Ellickson, Phyllis L., Daniel F. McCaffrey, i David J. Klein. Long-term Effects of Drug Prevention On Risky Sexual Behavior Among Young Adults. 2009.