APA citiranje

Goniewicz, M. L., Lingas, E. O., & Hajek, P. (2012). Patterns of electronic cigarette use and user beliefs about their safety and benefits: An Internet survey.

Citação norma Chicago

Goniewicz, Maciej L., Elena O. Lingas, and Peter Hajek. Patterns of Electronic Cigarette Use and User Beliefs About Their Safety and Benefits: An Internet Survey. 2012.

MLA citiranje

Goniewicz, Maciej L., Elena O. Lingas, and Peter Hajek. Patterns of Electronic Cigarette Use and User Beliefs About Their Safety and Benefits: An Internet Survey. 2012.