Citação norma APA
WILLEMS, J., & ET AL. (1997). CHANGE IN DRUG-USING NETWORKS OF INJECTING DRUG USERS DURING METHADONE TREATMENT: A PILOT STUDY USING SNOWBALL RECRUITMENT AND INTENSIVE INTERVIEWS.
Citação norma Chicago
WILLEMS, J.C.E.W, and ET AL. CHANGE IN DRUG-USING NETWORKS OF INJECTING DRUG USERS DURING METHADONE TREATMENT: A PILOT STUDY USING SNOWBALL RECRUITMENT AND INTENSIVE INTERVIEWS. 1997.
Citação norma MLA
WILLEMS, J.C.E.W, and ET AL. CHANGE IN DRUG-USING NETWORKS OF INJECTING DRUG USERS DURING METHADONE TREATMENT: A PILOT STUDY USING SNOWBALL RECRUITMENT AND INTENSIVE INTERVIEWS. 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.