Cooper, B., & Helgason, T. (1989). Epidemiology and the prevention of mental disorders. Routledge.
Chicago Style (17th ed.) CitationCooper, Brian, and T"mas Helgason. Epidemiology and the Prevention of Mental Disorders. London: Routledge, 1989.
MLA (9th ed.) CitationCooper, Brian, and T"mas Helgason. Epidemiology and the Prevention of Mental Disorders. Routledge, 1989.
Warning: These citations may not always be 100% accurate.