APA aipamena

DiFranza, J. R., & Brown, L. J. (1992). The Tobacco Institute's "It's the Law" campaign: Has it halted illegal sales of tobacco to children?

Chicago Style aipamena

DiFranza, J R., and L J. Brown. The Tobacco Institute's "It's the Law" Campaign: Has It Halted Illegal Sales of Tobacco to Children? 1992.

MLA aipamena

DiFranza, J R., and L J. Brown. The Tobacco Institute's "It's the Law" Campaign: Has It Halted Illegal Sales of Tobacco to Children? 1992.