APA ציטוט

El-Toukhy, S., Sabado, M., & Choi, K. (2018). Trends in Tobacco Product Use Patterns Among U.S. Youth, 1999–2014. Nicotine Tob Res.

Citação norma Chicago

El-Toukhy, Sherine, Melanie Sabado, and Kelvin Choi. "Trends in Tobacco Product Use Patterns Among U.S. Youth, 1999–2014." Nicotine Tob Res 2018.

ציטוט MLA

El-Toukhy, Sherine, Melanie Sabado, and Kelvin Choi. "Trends in Tobacco Product Use Patterns Among U.S. Youth, 1999–2014." Nicotine Tob Res 2018.