APA (7th ed.) Citation

P, E., CJ, H., & A, M. (2001). Prescribing in the UK. Lancet (London, England), 357(9258), 809. https://doi.org/10.1016/s0140-6736(05)71242-3

Chicago Style (17th ed.) Citation

P, Emery, Hawkey CJ, and Moore A. "Prescribing in the UK." Lancet (London, England) 357, no. 9258 (2001): 809. https://doi.org/10.1016/s0140-6736(05)71242-3.

MLA (9th ed.) Citation

P, Emery, et al. "Prescribing in the UK." Lancet (London, England), vol. 357, no. 9258, 2001, p. 809, https://doi.org/10.1016/s0140-6736(05)71242-3.