APA Format
World Health Assembly [Ke-25 : 1972 : Geneva]; World Health Organization. (1972).
Twenty-fifth World Health Assembly, Geneva, 9-26 May 1972
. Geneva :: World Health Organization,.
MLA Format
World Health Assembly [Ke-25 : 1972 : Geneva]; World Health Organization.
Twenty-fifth World Health Assembly, Geneva, 9-26 May 1972
. Geneva :: World Health Organization,, 1972
Chicago Format
World Health Assembly [Ke-25 : 1972 : Geneva]; World Health Organization. Twenty-fifth World Health Assembly, Geneva, 9-26 May 1972. Geneva :: World Health Organization,, 1972.