ScienceDirect (Online service) & Berl, W. G. (1961). Physical methods in chemical analysis. Academic Press.
Chicago Style (17th ed.) CitationScienceDirect (Online service) and Walter G. Berl. Physical Methods in Chemical Analysis. New York ; London: Academic Press, 1961.
MLA (9th ed.) CitationScienceDirect (Online service) and Walter G. Berl. Physical Methods in Chemical Analysis. Academic Press, 1961.
Warning: These citations may not always be 100% accurate.