APA (7th ed.) Citation

Gouveia, C. A. P. (2011). Simultaneous quantification of morphine and cocaine in hair samples by gas chromatography-mass spectrometry.

Chicago Style (17th ed.) Citation

Gouveia, Carla Alexandra Pereira. Simultaneous Quantification of Morphine and Cocaine in Hair Samples by Gas Chromatography-mass Spectrometry. 2011.

MLA (8th ed.) Citation

Gouveia, Carla Alexandra Pereira. Simultaneous Quantification of Morphine and Cocaine in Hair Samples by Gas Chromatography-mass Spectrometry. 2011.

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