APA   Click to copy
Chang, A., Skirbekk, V., Tyrovolas, S., Kassebaum, N., & Dieleman, J. (2019). Measuring population ageing: an analysis of the Global Burden of Disease Study 2017. The Lancet. Public Health.

Chicago/Turabian   Click to copy
Chang, A., V. Skirbekk, S. Tyrovolas, N. Kassebaum, and J. Dieleman. “Measuring Population Ageing: an Analysis of the Global Burden of Disease Study 2017.” The Lancet. Public health (2019).

MLA   Click to copy
Chang, A., et al. “Measuring Population Ageing: an Analysis of the Global Burden of Disease Study 2017.” The Lancet. Public Health, 2019.

@article{a2019a,
  title = {Measuring population ageing: an analysis of the Global Burden of Disease Study 2017},
  year = {2019},
  journal = {The Lancet. Public health},
  author = {Chang, A. and Skirbekk, V. and Tyrovolas, S. and Kassebaum, N. and Dieleman, J.}
}