International Colour Association. Congress, Deutscher Verband Farbe, & Richter, M. (1981). AIC Color 81, Berlin, 21.-25. September 1981: Proceedings of the 4th Congress of the International Color Association. AIC.
Chicago Style (17th ed.) CitationInternational Colour Association. Congress, Deutscher Verband Farbe, and Manfred Richter. AIC Color 81, Berlin, 21.-25. September 1981: Proceedings of the 4th Congress of the International Color Association. Berlin: AIC, 1981.
MLA (8th ed.) CitationInternational Colour Association. Congress, et al. AIC Color 81, Berlin, 21.-25. September 1981: Proceedings of the 4th Congress of the International Color Association. AIC, 1981.
Warning: These citations may not always be 100% accurate.