Citazione APA

Terry-McElrath, Y. M., O’Malley, P. M., & Johnston, L. D. (2009). Reasons for Drug Use among American Youth by Consumption Level, Gender, and Race/Ethnicity: 1976–2005.

Stile di citazione Chicago

Terry-McElrath, Yvonne M., Patrick M. O’Malley, e Lloyd D. Johnston. Reasons for Drug Use Among American Youth By Consumption Level, Gender, and Race/Ethnicity: 1976–2005. 2009.

Citazione MLA

Terry-McElrath, Yvonne M., Patrick M. O’Malley, e Lloyd D. Johnston. Reasons for Drug Use Among American Youth By Consumption Level, Gender, and Race/Ethnicity: 1976–2005. 2009.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.