APA (7th ed.) Citation

Phetphum, C., Chomson, S., Wangwonsin, A., Prajongjeep, A., & Keeratisiroj, O. (2023). Perception of and legal compliance with the law prohibiting cigarette sales to minors in Thailand following the raising of the minimum selling age to 20 years: A cross-sectional survey. BMJ open, 13(11), e072411. https://doi.org/10.1136/bmjopen-2023-072411

Chicago Style (17th ed.) Citation

Phetphum, Chakkraphan, Supatana Chomson, Artittaya Wangwonsin, Atchara Prajongjeep, and Orawan Keeratisiroj. "Perception of and Legal Compliance with the Law Prohibiting Cigarette Sales to Minors in Thailand Following the Raising of the Minimum Selling Age to 20 Years: A Cross-sectional Survey." BMJ Open 13, no. 11 (2023): e072411. https://doi.org/10.1136/bmjopen-2023-072411.

MLA (9th ed.) Citation

Phetphum, Chakkraphan, et al. "Perception of and Legal Compliance with the Law Prohibiting Cigarette Sales to Minors in Thailand Following the Raising of the Minimum Selling Age to 20 Years: A Cross-sectional Survey." BMJ Open, vol. 13, no. 11, 2023, p. e072411, https://doi.org/10.1136/bmjopen-2023-072411.