APA Style

Proukaki., E, K. (2010). The problem of enforcement in international law :countermeasures, the non-injured state and the idea of international community . London;New York: Routledge.

MLA Style

Proukaki., Elena, Katselli. "The problem of enforcement in international law :countermeasures, the non-injured state and the idea of international community". London;New York: Routledge, 2010. Text.