APA aipamena

Evans, E., Li, L., Grella, C., Brecht, M., & Hser, Y. (2012). Developmental timing of first drug treatment and 10-year patterns of drug use.

Chicago Style aipamena

Evans, Elizabeth, Libo Li, Christine Grella, Mary-Lynn Brecht, and Yih-Ing Hser. Developmental Timing of First Drug Treatment and 10-year Patterns of Drug Use. 2012.

MLA aipamena

Evans, Elizabeth, et al. Developmental Timing of First Drug Treatment and 10-year Patterns of Drug Use. 2012.