Cita APA (7th ed.)
FARRELL, A., & ET AL. (1993). RISK FACTORS FOR DRUG USE IN RURAL ADOLESCENTS.
Cita Chicago (17th ed.)
FARRELL, A.D, i ET AL. RISK FACTORS FOR DRUG USE IN RURAL ADOLESCENTS. 1993.
Cita MLA (9th ed.)
FARRELL, A.D, i ET AL. RISK FACTORS FOR DRUG USE IN RURAL ADOLESCENTS. 1993.
Atenció: Aquestes cites poden no estar 100% correctes.