Association de droit international & Association de droit international. (1967). Report of the fifty-second conference held at Helsinki, August 14th, to August 20th, 1966. International Law Association.
Chicago Style (17th ed.) CitationAssociation de droit international and Association de droit international. Report of the Fifty-second Conference Held at Helsinki, August 14th, to August 20th, 1966. London: International Law Association, 1967.
MLA (9th ed.) CitationAssociation de droit international and Association de droit international. Report of the Fifty-second Conference Held at Helsinki, August 14th, to August 20th, 1966. International Law Association, 1967.
Warning: These citations may not always be 100% accurate.