Cita APA (7a ed.)

ONU, Booth, K., & Smith, S. (1995). International relations theory today. The Pennsylvania State University Press.

Cita Chicago Style (17a ed.)

ONU, Ken Booth, y Steve Smith. International Relations Theory Today. Pennsylvania: The Pennsylvania State University Press, 1995.

Cita MLA (8a ed.)

ONU, et al. International Relations Theory Today. The Pennsylvania State University Press, 1995.