Citazione APA

Roberts, A., Stephan, P. B., Verdier, P., & Versteeg, M. (2018). Comparative international law. Oxford university Press.

Stile di citazione Chicago

Roberts, Anthea, Paul B. Stephan, Pierre-Hugues Verdier, e Mila Versteeg. Comparative International Law. N.Y: Oxford university Press, 2018.

Citazione MLA

Roberts, Anthea, et al. Comparative International Law. Oxford university Press, 2018.