APA   Click to copy
Siegel, D. A., & Young, J. K. (2009). Simulating terrorism: Credible commitment, costly signaling, and strategic behavior. PS: Political Science &Amp; Politics, 42, 765–771.

Chicago/Turabian   Click to copy
Siegel, David A, and Joseph K Young. “Simulating Terrorism: Credible Commitment, Costly Signaling, and Strategic Behavior.” PS: Political Science & Politics 42 (2009): 765–771.

MLA   Click to copy
Siegel, David A., and Joseph K. Young. “Simulating Terrorism: Credible Commitment, Costly Signaling, and Strategic Behavior.” PS: Political Science &Amp; Politics, vol. 42, Cambridge University Press, 2009, pp. 765–71.

@article{siegel2009a,
  title = {Simulating terrorism: Credible commitment, costly signaling, and strategic behavior},
  year = {2009},
  journal = {PS: Political Science & Politics},
  pages = {765-771},
  publisher = {Cambridge University Press},
  volume = {42},
  author = {Siegel, David A and Young, Joseph K}
}