Стиль цитування APA (7-ме видання)

Aryal, U., Petzold, M., & Krettek, A. (2016). Perceived Risks and Benefits of Cigarette Smoking among Nepalese Adolescents: A Population-Based Cross-Sectional Study.

Чикаго стиль цитування (17-те видання)

Aryal, UR, M. Petzold, та A. Krettek. Perceived Risks and Benefits of Cigarette Smoking Among Nepalese Adolescents: A Population-Based Cross-Sectional Study. 2016.

Стиль цитування MLA (8-ме видання)

Aryal, UR, et al. Perceived Risks and Benefits of Cigarette Smoking Among Nepalese Adolescents: A Population-Based Cross-Sectional Study. 2016.