APA (7th ed.) Citation

EF, E. (2004). Ximelagatran or warfarin in atrial fibrillation? Lancet (London, England), 363(9410), 736. https://doi.org/10.1016/S0140-6736(04)15679-1

Chicago Style (17th ed.) Citation

EF, Epstein. "Ximelagatran or Warfarin in Atrial Fibrillation?" Lancet (London, England) 363, no. 9410 (2004): 736. https://doi.org/10.1016/S0140-6736(04)15679-1.

MLA (9th ed.) Citation

EF, Epstein. "Ximelagatran or Warfarin in Atrial Fibrillation?" Lancet (London, England), vol. 363, no. 9410, 2004, p. 736, https://doi.org/10.1016/S0140-6736(04)15679-1.