APA
Sparkman O.David, Penton Zelda E. Kitson Fulton G, . (2011). Gas Chromatography and Mass Spectrometry : A Practical Guide. Ed. 2nd. New York: Elsevier.
Chicago
Sparkman O.David, Penton Zelda E. Kitson Fulton G, . 2011. Gas Chromatography and Mass Spectrometry : A Practical Guide. Ed. 2nd. New York: Elsevier.
Harvard
Sparkman O.David, Penton Zelda E. Kitson Fulton G, . (2011). Gas Chromatography and Mass Spectrometry : A Practical Guide. Ed. 2nd. New York: Elsevier.
MLA
Sparkman O.David, Penton Zelda E. Kitson Fulton G, . Gas Chromatography and Mass Spectrometry : A Practical Guide. Ed. 2nd. New York: Elsevier. 2011.
Text