APA (7th ed.) Citation

I, S., A, C., AM, G., T, E., & T, P. (2006). Clinical trial registration: Transparency is the watchword. Lancet, 367(9523), 1631. https://doi.org/10.1016/s0140-6736(06)68708-4

Chicago Style (17th ed.) Citation

I, Sim, Chan A, Gülmezoglu AM, Evans T, and Pang T. "Clinical Trial Registration: Transparency Is the Watchword." Lancet 367, no. 9523 (2006): 1631. https://doi.org/10.1016/s0140-6736(06)68708-4.

MLA (9th ed.) Citation

I, Sim, et al. "Clinical Trial Registration: Transparency Is the Watchword." Lancet, vol. 367, no. 9523, 2006, p. 1631, https://doi.org/10.1016/s0140-6736(06)68708-4.