Helbing, W., & Burkart, A. (1979). Chemical tables for laboratory and industry: Matter, number, process (1st English ed.). Wiley.
Chicago Style (17th ed.) CitationHelbing, Wolfgang, and Adolf Burkart. Chemical Tables for Laboratory and Industry: Matter, Number, Process. 1st English ed. New York: Wiley, 1979.
MLA (9th ed.) CitationHelbing, Wolfgang, and Adolf Burkart. Chemical Tables for Laboratory and Industry: Matter, Number, Process. 1st English ed. Wiley, 1979.
Warning: These citations may not always be 100% accurate.