APA (7th ed.) Citation

S, E., & L, T. (2001). Fluticasone and asthma. Lancet (London, England), 357(9258), 804. https://doi.org/10.1016/S0140-6736(05)71231-9

Chicago Style (17th ed.) Citation

S, Edsbäcker, and Thorsson L. "Fluticasone and Asthma." Lancet (London, England) 357, no. 9258 (2001): 804. https://doi.org/10.1016/S0140-6736(05)71231-9.

MLA (9th ed.) Citation

S, Edsbäcker, and Thorsson L. "Fluticasone and Asthma." Lancet (London, England), vol. 357, no. 9258, 2001, p. 804, https://doi.org/10.1016/S0140-6736(05)71231-9.