APA (7th ed.) Citation

DK, M., LL, E., & PA, S. (2000). Planning for the end of life. Lancet, 356(9242), 1672. https://doi.org/10.1016/s0140-6736(00)03168-8

Chicago Style (17th ed.) Citation

DK, Martin, Emanuel LL, and Singer PA. "Planning for the End of Life." Lancet 356, no. 9242 (2000): 1672. https://doi.org/10.1016/s0140-6736(00)03168-8.

MLA (9th ed.) Citation

DK, Martin, et al. "Planning for the End of Life." Lancet, vol. 356, no. 9242, 2000, p. 1672, https://doi.org/10.1016/s0140-6736(00)03168-8.