APA (7th ed.) Citation

Riedel, K., Rieger, K., Martin-Facklam, M., Mikus, G., Haefeli, W. E., & Burhenne, J. (2004). Simultaneous determination of hypericin and hyperforin in human plasma with liquid chromatography-tandem mass spectrometry. Journal of chromatography, 813(1-2), . https://doi.org/10.1016/j.jchromb.2004.09.061

Chicago Style (17th ed.) Citation

Riedel, Klaus-Dieter, Karin Rieger, Meret Martin-Facklam, Gerd Mikus, Walter E. Haefeli, and Jürgen Burhenne. "Simultaneous Determination of Hypericin and Hyperforin in Human Plasma with Liquid Chromatography-tandem Mass Spectrometry." Journal of Chromatography 813, no. 1-2 (2004). https://doi.org/10.1016/j.jchromb.2004.09.061.

MLA (9th ed.) Citation

Riedel, Klaus-Dieter, et al. "Simultaneous Determination of Hypericin and Hyperforin in Human Plasma with Liquid Chromatography-tandem Mass Spectrometry." Journal of Chromatography, vol. 813, no. 1-2, 2004, https://doi.org/10.1016/j.jchromb.2004.09.061.