D'Amato, A. A., & Falk, R. A. (1971). The concept of custom in international law. Cornell University Press.
Chicago Style (17th ed.) CitationD'Amato, Anthony A., and Richard A. Falk. The Concept of Custom in International Law. Ithaca [etc.]: Cornell University Press, 1971.
MLA (9th ed.) CitationD'Amato, Anthony A., and Richard A. Falk. The Concept of Custom in International Law. Cornell University Press, 1971.
Warning: These citations may not always be 100% accurate.