APA (7th ed.) Citation

Zweig, G., & Sherma, J. (1972). Gas chromatographic analysis. Academic Press.

Chicago Style (17th ed.) Citation

Zweig, Gunter, and Joseph Sherma. Gas Chromatographic Analysis. New York: Academic Press, 1972.

MLA (9th ed.) Citation

Zweig, Gunter, and Joseph Sherma. Gas Chromatographic Analysis. Academic Press, 1972.

Warning: These citations may not always be 100% accurate.