APA citiranje

Brown, J., Beard, E., Kotz, D., Michie, S., & West, R. (2014). Real-world effectiveness of e-cigarettes when used to aid smoking cessation: A cross-sectional population study. Blackwell Publishing Ltd.

Citação norma Chicago

Brown, Jamie, Emma Beard, Daniel Kotz, Susan Michie, and Robert West. Real-world Effectiveness of E-cigarettes When Used to Aid Smoking Cessation: A Cross-sectional Population Study. Blackwell Publishing Ltd, 2014.

MLA citiranje

Brown, Jamie, et al. Real-world Effectiveness of E-cigarettes When Used to Aid Smoking Cessation: A Cross-sectional Population Study. Blackwell Publishing Ltd, 2014.