APA aipamena

Garnier-Dykstra, L. M., Caldeira, K. M., Vincent, K. B., O’Grady, K. E., & Arria, A. M. (2012). Nonmedical use of prescription stimulants during college: Four-year trends in exposure opportunity, use, motives, and sources.

Chicago Style aipamena

Garnier-Dykstra, Laura M., Kimberly M. Caldeira, Kathryn B. Vincent, Kevin E. O’Grady, and Amelia M. Arria. Nonmedical Use of Prescription Stimulants During College: Four-year Trends in Exposure Opportunity, Use, Motives, and Sources. 2012.

MLA aipamena

Garnier-Dykstra, Laura M., et al. Nonmedical Use of Prescription Stimulants During College: Four-year Trends in Exposure Opportunity, Use, Motives, and Sources. 2012.