Cita APA (7th ed.)
HOPKINS, W. (1988). NEEDLE SHARING AND STREET BEHAVIOR IN RESPONSE TO AIDS IN NEW YORK CITY. EN: NEEDLE SHARING AMONG INTRAVENOUS DRUG ABUSERS. NATIONAL INSTITUTE ON DRUG ABUSE.
Cita Chicago (17th ed.)
HOPKINS, W. NEEDLE SHARING AND STREET BEHAVIOR IN RESPONSE TO AIDS IN NEW YORK CITY. EN: NEEDLE SHARING AMONG INTRAVENOUS DRUG ABUSERS. ROCKVILLE,MD (USA): NATIONAL INSTITUTE ON DRUG ABUSE, 1988.
Cita MLA (9th ed.)
HOPKINS, W. NEEDLE SHARING AND STREET BEHAVIOR IN RESPONSE TO AIDS IN NEW YORK CITY. EN: NEEDLE SHARING AMONG INTRAVENOUS DRUG ABUSERS. NATIONAL INSTITUTE ON DRUG ABUSE, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.