Cita APA

Johnson, R. A., & Gerstein, D. R. (1998). Initiation of use of alcohol, cigarettes, marijuana, cocaine, and other substances in US birth cohorts since 1919.

Citación estilo Chicago

Johnson, R A., and D R. Gerstein. Initiation of Use of Alcohol, Cigarettes, Marijuana, Cocaine, and Other Substances in US Birth Cohorts Since 1919. 1998.

Cita MLA

Johnson, R A., and D R. Gerstein. Initiation of Use of Alcohol, Cigarettes, Marijuana, Cocaine, and Other Substances in US Birth Cohorts Since 1919. 1998.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.