APA (7th ed.) Citation

Lee, M., Chang, C., & Dou, J. (2007). Determination of benzene, toluene, ethylbenzene, xylenes in water at sub-ngl−1 levels by solid-phase microextraction coupled to cryo-trap gas chromatography–mass spectrometry. Chemosphere, 69(9), 1381. https://doi.org/10.1016/j.chemosphere.2007.05.004

Chicago Style (17th ed.) Citation

Lee, Maw-Rong, Chia-Min Chang, and Jianpeng Dou. "Determination of Benzene, Toluene, Ethylbenzene, Xylenes in Water at Sub-ngl−1 Levels by Solid-phase Microextraction Coupled to Cryo-trap Gas Chromatography–mass Spectrometry." Chemosphere 69, no. 9 (2007): 1381. https://doi.org/10.1016/j.chemosphere.2007.05.004.

MLA (9th ed.) Citation

Lee, Maw-Rong, et al. "Determination of Benzene, Toluene, Ethylbenzene, Xylenes in Water at Sub-ngl−1 Levels by Solid-phase Microextraction Coupled to Cryo-trap Gas Chromatography–mass Spectrometry." Chemosphere, vol. 69, no. 9, 2007, p. 1381, https://doi.org/10.1016/j.chemosphere.2007.05.004.