APA (7th ed.) Citation

Alves, E., Ferreira, A. S. A., Afonso, C., Cravo, S., Netto, A., Carvalho, F., & Oliveira, R. (2015). Validation of a modified QuEChERS extraction/GC-MS methodology for quantification of drugs of abuse in human samples.

Chicago Style (17th ed.) Citation

Alves, Emanuele, Ana Sofia Agonia Ferreira, Carlos Afonso, Sara Cravo, Aníbal Netto, Félix Carvalho, and Ricardo Oliveira. Validation of a Modified QuEChERS Extraction/GC-MS Methodology for Quantification of Drugs of Abuse in Human Samples. 2015.

MLA (8th ed.) Citation

Alves, Emanuele, et al. Validation of a Modified QuEChERS Extraction/GC-MS Methodology for Quantification of Drugs of Abuse in Human Samples. 2015.