APA aipamena

Xu, X., Pesko, M. F., Tynan, M. A., Gerzoff, R. B., Malarcher, A. M., & Pechacek, T. F. (2013). Cigarette Price-Minimization Strategies by U.S. Smokers. Am J Prev Med.

Chicago Style aipamena

Xu, Xin, Michael F. Pesko, Michael A. Tynan, Robert B. Gerzoff, Ann M. Malarcher, and Terry F. Pechacek. "Cigarette Price-Minimization Strategies By U.S. Smokers." Am J Prev Med 2013.

MLA aipamena

Xu, Xin, et al. "Cigarette Price-Minimization Strategies By U.S. Smokers." Am J Prev Med 2013.