Cita APA

Wu, Z., & Clark, N. (2012). Treatment of opioid dependence: A call for papers. World Health Organization.

Citación estilo Chicago

Wu, Zunyou, and Nicolas Clark. Treatment of Opioid Dependence: A Call for Papers. World Health Organization, 2012.

Cita MLA

Wu, Zunyou, and Nicolas Clark. Treatment of Opioid Dependence: A Call for Papers. World Health Organization, 2012.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.