Cita APA (7a ed.)

Vollerthun, U., & Richardson, J. L. (2017). The idea of international society: Erasmus, Vitoria, Gentili and Grotius. Cambridge University Press.

Cita Chicago Style (17a ed.)

Vollerthun, Ursula, y James L. Richardson. The Idea of International Society: Erasmus, Vitoria, Gentili and Grotius. Cambridge [etc.]: Cambridge University Press, 2017.

Cita MLA (9a ed.)

Vollerthun, Ursula, y James L. Richardson. The Idea of International Society: Erasmus, Vitoria, Gentili and Grotius. Cambridge University Press, 2017.