APA
World Health Organization, . (2003). Advocacy for mental health. World Health Organization, Geneva: .
Chicago
World Health Organization, . 2003. Advocacy for mental health. World Health Organization, Geneva: .
Harvard
World Health Organization, . (2003). Advocacy for mental health. World Health Organization, Geneva: .
MLA
World Health Organization, . Advocacy for mental health. World Health Organization, Geneva: . 2003.