APA (7th ed.) Citation
Zaaijer, E., & et al. Personality as a risk factor for illicit opioid use and a protective factor for illicit opioid dependence.
Chicago Style (17th ed.) Citation
Zaaijer, E.R, and et al. Personality as a Risk Factor for Illicit Opioid Use and a Protective Factor for Illicit Opioid Dependence.
MLA (9th ed.) Citation
Zaaijer, E.R, and et al. Personality as a Risk Factor for Illicit Opioid Use and a Protective Factor for Illicit Opioid Dependence.
Warning: These citations may not always be 100% accurate.