Ruys, T. (2010). 'Armed attack' and Article 51 of the UN Charter: Evolutions in customary law and practice (1. publ.). Cambridge Univ. Press.
Chicago Style (17th ed.) CitationRuys, Tom. 'Armed Attack' and Article 51 of the UN Charter: Evolutions in Customary Law and Practice. 1. publ. Cambridge [u.a.]: Cambridge Univ. Press, 2010.
MLA (9th ed.) CitationRuys, Tom. 'Armed Attack' and Article 51 of the UN Charter: Evolutions in Customary Law and Practice. 1. publ. Cambridge Univ. Press, 2010.
Warning: These citations may not always be 100% accurate.