APA (7th ed.) Citation

Keech, A., Simes, R. J., Barter, P., Best, J., Scott, R., & Taskinen, M. (2006). Authors' reply. Lancet, 367(9517), 1142. https://doi.org/10.1016/S0140-6736(06)68501-2

Chicago Style (17th ed.) Citation

Keech, A., R. J. Simes, P. Barter, J. Best, R. Scott, and M-R Taskinen. "Authors' Reply." Lancet 367, no. 9517 (2006): 1142. https://doi.org/10.1016/S0140-6736(06)68501-2.

MLA (9th ed.) Citation

Keech, A., et al. "Authors' Reply." Lancet, vol. 367, no. 9517, 2006, p. 1142, https://doi.org/10.1016/S0140-6736(06)68501-2.