APA   Click to copy
Young, J. K. (2019). Measuring terrorism. Terrorism and Political Violence, 31, 323–345.

Chicago/Turabian   Click to copy
Young, Joseph K. “Measuring Terrorism.” Terrorism and Political Violence 31 (2019): 323–345.

MLA   Click to copy
Young, Joseph K. “Measuring Terrorism.” Terrorism and Political Violence, vol. 31, Routledge, 2019, pp. 323–45.

@article{young2019a,
  title = {Measuring terrorism},
  year = {2019},
  journal = {Terrorism and Political Violence},
  pages = {323-345},
  publisher = {Routledge},
  volume = {31},
  author = {Young, Joseph K}
}