Cita APA (7a ed.)
BLESS, R., & ET AL. (1993). URBAN DRUG POLICIES IN EUROPE 1993. AMSTERDAM BUREAU OF SOCIAL RESEARCH AND STATISTICS.
Cita Chicago Style (17a ed.)
BLESS, R., y ET AL. URBAN DRUG POLICIES IN EUROPE 1993. AMSTERDAM: AMSTERDAM BUREAU OF SOCIAL RESEARCH AND STATISTICS, 1993.
Cita MLA (9a ed.)
BLESS, R., y ET AL. URBAN DRUG POLICIES IN EUROPE 1993. AMSTERDAM BUREAU OF SOCIAL RESEARCH AND STATISTICS, 1993.
Precaución: Estas citas no son 100% exactas.