APA (7th ed.) Citation
Stiby, A., & et al. Adolescent cannabis and tobacco use and educational outcomes at age 16: Birth cohort study.
Chicago Style (17th ed.) Citation
Stiby, A.I, and et al. Adolescent Cannabis and Tobacco Use and Educational Outcomes at Age 16: Birth Cohort Study.
MLA (9th ed.) Citation
Stiby, A.I, and et al. Adolescent Cannabis and Tobacco Use and Educational Outcomes at Age 16: Birth Cohort Study.
Warning: These citations may not always be 100% accurate.