APA (7th ed.) Citation

Alter, R. J. (2006). Role of perceived access and harm in marijuana use among adolescents. [publisher not identified].

Chicago Style (17th ed.) Citation

Alter, Randi J. Role of Perceived Access and Harm in Marijuana Use Among Adolescents. [Place of publication not identified]: [publisher not identified], 2006.

MLA (9th ed.) Citation

Alter, Randi J. Role of Perceived Access and Harm in Marijuana Use Among Adolescents. [publisher not identified], 2006.