APA
World Health Organization, . (1978). Mental disorders: Glossary and guide to their classification in accordance with the Ninth revision of the International classification of diseases. Geneva: WHO.
Chicago
World Health Organization, . 1978. Mental disorders: Glossary and guide to their classification in accordance with the Ninth revision of the International classification of diseases. Geneva: WHO.
Harvard
World Health Organization, . (1978). Mental disorders: Glossary and guide to their classification in accordance with the Ninth revision of the International classification of diseases. Geneva: WHO.
MLA
World Health Organization, . Mental disorders: Glossary and guide to their classification in accordance with the Ninth revision of the International classification of diseases. Geneva: WHO. 1978.