Cita APA (7th ed.)
PARKER, H., & ET AL. (1995). DRUGS FUTURES CHANGING PATTERNS OF DRUG USE AMONGST ENGLISH YOUTH. INSTITUTE FOR THE STUDY OF DRUG DEPENDENCE.
Cita Chicago (17th ed.)
PARKER, H., i ET AL. DRUGS FUTURES CHANGING PATTERNS OF DRUG USE AMONGST ENGLISH YOUTH. Londres: INSTITUTE FOR THE STUDY OF DRUG DEPENDENCE, 1995.
Cita MLA (9th ed.)
PARKER, H., i ET AL. DRUGS FUTURES CHANGING PATTERNS OF DRUG USE AMONGST ENGLISH YOUTH. INSTITUTE FOR THE STUDY OF DRUG DEPENDENCE, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.