Williams, S. (1987). An Introduction to International law (2nd.ed.). Butterworths.
Chicago Style (17th ed.) CitationWilliams, S.A. An Introduction to International Law. 2nd.ed. Toronto: Butterworths, 1987.
MLA (9th ed.) CitationWilliams, S.A. An Introduction to International Law. 2nd.ed. Butterworths, 1987.
Warning: These citations may not always be 100% accurate.