Cita APA (7th ed.)
UCHTENHAGEN, A., & ET AL. (1999). PRESCRIPTION OF NARCOTICS FOR HEROIN ADDICTS. MAIN RESULTS OF THE SWISS NATIONAL COHORT STUDY. KARGER.
Cita Chicago (17th ed.)
UCHTENHAGEN, A., i ET AL. PRESCRIPTION OF NARCOTICS FOR HEROIN ADDICTS. MAIN RESULTS OF THE SWISS NATIONAL COHORT STUDY. NUEVA YORK: KARGER, 1999.
Cita MLA (9th ed.)
UCHTENHAGEN, A., i ET AL. PRESCRIPTION OF NARCOTICS FOR HEROIN ADDICTS. MAIN RESULTS OF THE SWISS NATIONAL COHORT STUDY. KARGER, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.