Socialist International (SI). Report of the 12th congress of the Socialist International held in Vienna 26-29 june 1972. London: SI.
Chicago Style (17th ed.) CitationSocialist International (SI). Report of the 12th Congress of the Socialist International Held in Vienna 26-29 June 1972. London: SI.
MLA (8th ed.) CitationSocialist International (SI). Report of the 12th Congress of the Socialist International Held in Vienna 26-29 June 1972. London: SI.
Warning: These citations may not always be 100% accurate.