De Vries, J. X., Tauscher, B., & Wurzel, G. (1988). Constituents of Justicia pectoralis Jacq. 2. gas chromatography/mass spectrometry of simple coumarins, 3-phenylpropionic acids and their hydroxy and methoxy derivatives. Biological mass spectrometry, 15(8), . https://doi.org/10.1002/bms.1200150802
Chicago Style (17th ed.) CitationDe Vries, J. X., Bernhard Tauscher, and G. Wurzel. "Constituents of Justicia Pectoralis Jacq. 2. Gas Chromatography/mass Spectrometry of Simple Coumarins, 3-phenylpropionic Acids and Their Hydroxy and Methoxy Derivatives." Biological Mass Spectrometry 15, no. 8 (1988). https://doi.org/10.1002/bms.1200150802.
MLA (9th ed.) CitationDe Vries, J. X., et al. "Constituents of Justicia Pectoralis Jacq. 2. Gas Chromatography/mass Spectrometry of Simple Coumarins, 3-phenylpropionic Acids and Their Hydroxy and Methoxy Derivatives." Biological Mass Spectrometry, vol. 15, no. 8, 1988, https://doi.org/10.1002/bms.1200150802.