APA   Click to copy
Gill, P., & Young, J. K. (2011). Comparing role-specific terrorist profiles. Available at SSRN 1782008.

Chicago/Turabian   Click to copy
Gill, Paul, and Joseph K Young. “Comparing Role-Specific Terrorist Profiles.” Available at SSRN 1782008 (2011).

MLA   Click to copy
Gill, Paul, and Joseph K. Young. “Comparing Role-Specific Terrorist Profiles.” Available at SSRN 1782008, 2011.

@article{gill2011a,
  title = {Comparing role-specific terrorist profiles},
  year = {2011},
  journal = {Available at SSRN 1782008},
  author = {Gill, Paul and Young, Joseph K}
}