APA (7th ed.) Citation

Welbourn, R., le Roux, C. W., Owen-Smith, A., Wordsworth, S., & Blazeby, J. M. (2016). Why the NHS should do more bariatric surgery; how much should we do? BMJ (Online), 353, i1472. https://doi.org/10.1136/bmj.i1472

Chicago Style (17th ed.) Citation

Welbourn, Richard, Carel W. le Roux, Amanda Owen-Smith, Sarah Wordsworth, and Jane M. Blazeby. "Why the NHS Should Do More Bariatric Surgery; How Much Should We Do?" BMJ (Online) 353 (2016): i1472. https://doi.org/10.1136/bmj.i1472.

MLA (9th ed.) Citation

Welbourn, Richard, et al. "Why the NHS Should Do More Bariatric Surgery; How Much Should We Do?" BMJ (Online), vol. 353, 2016, p. i1472, https://doi.org/10.1136/bmj.i1472.