APA (7th ed.) Citation

Chaturvedi, P., Singh, A., Chien, C., & Warnakulasuriya, S. (2019). Tobacco related oral cancer. BMJ (Online), 365, l2142. https://doi.org/10.1136/bmj.l2142

Chicago Style (17th ed.) Citation

Chaturvedi, Pankaj, Arjun Singh, Chih-Yen Chien, and Saman Warnakulasuriya. "Tobacco Related Oral Cancer." BMJ (Online) 365 (2019): l2142. https://doi.org/10.1136/bmj.l2142.

MLA (9th ed.) Citation

Chaturvedi, Pankaj, et al. "Tobacco Related Oral Cancer." BMJ (Online), vol. 365, 2019, p. l2142, https://doi.org/10.1136/bmj.l2142.